8000 Merge branch 'master' of https://github.com/ihf-code/python_twitch · zfoxpython/intro-to-python@a000333 · GitHub
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‎session_03/answers/A1.py

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# A1 - Ask for the user's name, if they are called "Bob", print "Welcome Bob!"
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# Created variable name and assigned the input to it.
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# Whatever the user enters as their name will be stored in the name variable.
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name = input("What is your name?\n")
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# Checking if the name the user has input is Bob.
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# If it is, print "Welcome Bob!"
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if name == "Bob":
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print("Welcome Bob!")

‎session_03/answers/A2.py

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# A2 - Ask for the user's name, if they are not called "Alice", print "You're not Alice!"
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# Created variable name and assigned the input to it.
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# Whatever the user enters as their name will be stored in the name variable.
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name = input("What is your name?\n")
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# Checking if the name the user has input is not Alice.
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# If it is not Alice, print "You're not Alice!"
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if name != "Alice":
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print("You're not Alice!")

‎session_03/answers/A3.py

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# A3 - Ask the user for a password, if they enter the password "qwerty123", print "You have successfully logged in".
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# If they get it wrong, print "Password failure"
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password = "qwerty123"
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# Created variable name and assigned the input to it.
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# Whatever the user enters as their password will be stored in the user_guess variable.
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user_guess = input("What is your password?\n")
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# Hardcoded password variable so we can compare this against the user_guess
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password = "qwerty123"
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# Checking if the password is the same as the user_guess.
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# If it is the same, print "You have successfully logged in."
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if user_guess == password:
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print("You have successfully logged in.")
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# If it is not the same, print "Password failure."
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else:
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print("Password failure.")

‎session_03/answers/A4.py

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# A4 - Ask the user to enter a number, if the number is even, print "Even", otherwise print "Odd"
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# Created variable number and assigned the input to it.
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# As we will be performing some math on this input, we will need to cast it to an integer.
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# Whatever the user enters as their number will be stored in the number variable.
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number = int(input("Please enter a number to find out if it is even or odd:\n"))
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# Checking if the number is even, we do this by using the modulus to check if when divided by 2 the remainder is 0
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# If it is the same, print(str(number) + " is Even") - as number is an integer, to concatenate, we have to cast to a string.
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if number % 2 == 0:
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print(str(number) + " is Even")
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# If it is not even, it must be odd so will print(str(number) + " is Odd"), again casting the number to a string.
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else:
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print(str(number) + " is Odd")

‎session_03/answers/A5.py

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# A5 - Ask the user for 2 different numbers, if the total of the two numbers is over 21, print "Bust" otherwise print "Safe"
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# Created variable number and assigned the input to it.
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# As we will be performing some math on this input, we will need to cast it to an integer.
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# Whatever the user enters as their number will be stored in the number_1 variable.
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# Repeated the above for number_2
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number_1 = int(input("Input a number:\n"))
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number_2 = int(input("Input another number:\n"))
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# Checking if when both number variables are added together are over 21, print("Bust.")
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if number_1 + number_2 > 21:
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print("Bust.")
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# if when both number variables are added together are under 21, print("Safe.")
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else:
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print("Safe.")

‎session_04/answers/B10.py

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# D5 - FizzBuzz – Write a program that prints the numbers from 1 to 100.
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# B10 - FizzBuzz – Write a program that prints the numbers from 1 to 100.
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# For multiples of three, print “Fizz” instead of the number and for multiples of five, print “Buzz”.
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# For numbers which are multiples of both three and five, print “FizzBuzz”
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‎session_05/answers/A5.py renamed to ‎session_05/answers/A11.py

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# A5 - Rock, Paper, Scissors - Create a simple rock, paper, scissors game which is run against computer.
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# A11 - Rock, Paper, Scissors - Create a simple rock, paper, scissors game which is run against computer.
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import random
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‎session_06/slides/session_6.md

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x = 1
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while x <= 100:
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print(x)
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times_in_loop = times_in_loop + 1
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x = x + 1
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for y in range(1, 101):
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print(y)

‎session_08/answers/A2.py

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# A2 - Read the file 'austen.txt' and print the amount of lines in the file
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#Option 1
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total = 0
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for x in open("austen.txt"):
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total += 1
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print(total)
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#Option 2
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f = open("austen.txt", "r")
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count = 0
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for x in f:
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count += 1
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print(count)

‎session_08/answers/A3.py

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# A3 - Each line of the file 'numbers.txt' contains a number, write a script to add up all the values in the file
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#Option 1
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total = 0
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for x in open("numbers.txt"):
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total += int(x)
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print(total)
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#Option 2
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f = open("numbers.txt", "r")
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sum = 0
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for x in f:
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x = int(x)
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sum += x
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print(sum)

‎session_08/answers/B1.py

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# B1 - Ask the user to enter their name and append this to a file called 'register.txt'
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file1 = open("register.txt", "a")
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name = True
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while name != "":
6-
name = input("whats uyour anme? ")
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name = input("What's your name?\n")
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if name:
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file1.write(name + "\n")
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‎session_08/answers/B2.py

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# B2 - Create a new file called 'even.txt' that contains only the even numbers from the file 'numbers.txt"
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f = open("even.txt", "w")
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for x in open("numbers.txt"):
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x = int(x)
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if x % 2 == 0:
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f.write(str(x) + "\n")
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f.close()

‎session_08/answers/B4.py

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# Fake data is usually evenly distributed, where as real data The files 'accounts_1.txt', 'accounts_2.txt' and 'accounts_3.txt' contain financial transaction data.
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# Work out which of the files contains fake data.
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# STAGE 1 - this code allows us to check the values of one of the account files.
7+
f = open("accounts_1.txt", "r")
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count = {
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"0":0,
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"1":0,
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"2":0,
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"3":0,
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"4":0,
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"5":0,
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"6":0,
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"7":0,
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"8":0,
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"9":0
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}
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for x in f:
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if x:
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count[x[0]] += 1
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for y in range(1,10):
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print(str(y) + " = " + str(count[str(y)]/100) + "%")
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# STAGE 2 - Adding a for loop so we are able to loop through all accounts.
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for x in range(1,4):
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f = open("accounts_" + str(x) + ".txt", "r")
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count = {
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"0":0,
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"1":0,
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"2":0,
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"3":0,
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"4":0,
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"5":0,
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"6":0,
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"7":0,
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"8":0,
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"9":0
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}
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for num in f:
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if num:
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count[num[0]] += 1
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print(x)
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for y in range(1,10):
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print(str(y) + " = " + str(count[str(y)]/100) + "%")
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#STAGE 3 - Changing count so instead of us manually having to input count, it will create itself
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for x in range(1,4):
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f = open("accounts_" + str(x) + ".txt", "r")
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count = {
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"0": 0,
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"1": 0,
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"2": 0,
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"3": 0,
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"4": 0,
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"5": 0,
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"6": 0,
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"7": 0,
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"8": 0,
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"9": 0,
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}
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for num in f:
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if num:
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count[num[0]] += 1
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print(x)
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for y in range(1,10):
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print(str(y) + " = " + str(count[str(y)]/100) + "%")
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f = open("accounts_" + str(x) + ".txt", "r")
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count = {}
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for i in range(1,10):
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count[str(i)] = 0
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for num in f:
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if num:
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count[num[0]] += 1
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print(x)
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for y in range(1,10):
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print(str(y) + " = " + str(count[str(y)]/100) + "%")
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# STAGE 4 - Putting our code into a function - call 3 times
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def benford_calc(file_name):
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f = open(file_name, "r")
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count = {}
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for i in range(1,10):
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count[str(i)] = 0
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for num in f:
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if num:
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count[num[0]] += 1
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print("Results for:" + file_name)
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for y in range(1,10):
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print(str(y) + " = " + str(count[str(y)]/100) + "%")
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benford_calc("accounts_1.txt")
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benford_calc("accounts_2.txt")
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benford_calc("accounts_3.txt")
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# STAGE 5 - Looping through file names, so we don't need to call the function 3 times, as per stage 4
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def benford_calc(file_name):
90+
f = open(file_name, "r")
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count = {}
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for i in range(1,10):
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count[str(i)] = 0
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for num in f:
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if num:
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count[num[0]] += 1
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print("Results for:" + file_name)
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for y in range(1,10):
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print(str(y) + " = " + str(count[str(y)]/100) + "%")
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for x in range (1,4):
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file_name = "accounts_" + str(x) + ".txt"
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benford_calc(file_name)
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# STAGE 6 - Separating file function from data function
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def benford_calc_file(file_name):
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f = open(file_name, "r")
111+
return benford_calc(f)
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113+
def benford_calc(data):
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count = {}
116+
for x in range(1,10):
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count[str(x)] = 0
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for num in data:
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if num:
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count[str(num[0])] += 1
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return count
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for x in range (1,4):
126+
file_name = "accounts_" + str(x) + ".txt"
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data = benford_calc_file(file_name)
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print("Results for:" + file_name)
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for y in range(1,10):
132+
print(str(y) + " = " + str(data[str(y)]/100) + "%")
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# STAGE 7 - Sending in a list of random numbers
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def benford_calc_file(file_name):
137+
f = open(file_name, "r")
138+
return benford_calc(f)
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def benford_calc(data):
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count = {}
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for x in range(1,10):
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count[str(x)] = 0
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for num in data:
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if num:
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count[str(num[0])] += 1
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return count
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for x in range (1,4):
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file_name = "accounts_" + str(x) + ".txt"
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data = benford_calc_file(file_name)
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print("Results for:" + file_name)
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for y in range(1,10):
159+
print(str(y) + " = " + str(data[str(y)]/100) + "%")
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random_nums = [str(random.randint(1,100)) for x in range(1,10001)]
162+
data = benford_calc(random_nums)
163+
print("Results for Random Nums")
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for y in range(1,10):
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print(str(y) + " = " + str(data[str(y)]/100) + "%")

‎session_10/exercises/exercises_10.md

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## Section 10 Exercises
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# Section A
4-
1. Create a Person class, initialise it with a name. Create a method for the Person class that will say hello to the name.
5-
2. Create a Circle class, initialise it with a radius. Create two methods for the Circle class: get_area() and get_circumference() which give both respective areas and circumference, to 2 decimal placese.
4+
1. Create a class called Upper which has two methods called get_word and print_word.
5+
- the get_word method should accept a string from the user
6+
- the print_word method prints the string in upper case.
7+
2. Create a Person class, initialise it with a name. Create a method for the Person class that will say hello to the name.
8+
3. Create a Circle class, initialise it with a radius. Create two methods for the Circle class: get_area() and get_circumference() which give both respective areas and circumference, to 2 decimal placese.
69
- Note: Area of a circle = πr ** 2
710
- Circumference = 2πr
811
- Use the round() function to get the answer to 2 decimal places
9-
3. Create a Employee class and initialise it with name and staff number.
12+
4. Create a Employee class and initialise it with name and staff number.
1013
- i. Make methods to:
1114
- display_info - It should display all the information of the employee.
1215
- set_department - It should assign the department to employee.
@@ -17,13 +20,12 @@
1720
- Given a person's first and last names:
1821
- Form the full_name method by simply joining the first and last name together, separated by a space.
1922
- Form the email_address by joining the first and last name together with a . in between, and follow it with @company.com at the end. Make sure everything is in lowercase.
20-
4. Create a Vehicle parent class, initialise it with, wheels, colour and a method to display all this information.
23+
24+
5. Create a Vehicle parent class, initialise it with, wheels, colour and a method to display all this information.
2125
- i. Create a Tesla (or any car) child classs and add a method to get the miles and a method to display all this information.
2226
- ii. Change the colour of the vehicle.
2327
- iii. Delete the wheels.
24-
5. Create a class called Upper which has two methods called get_word and print_word.
25-
- the get_word method should accept a string from the user
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- the print_word method prints the string in upper case.
28+
2729
6. Create a Sandwich class with the attributes order_number and ingredients.
2830
- i. The ingredients attributes is given as a list - (Note: use list(<atrribute>) to enable this).
2931
- Only the ingredients attributes will be given as input.

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