8000 Make a better exercises workflow and update best_practices. · fdani1/intro-to-python@2077d35 · GitHub
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Make a better exercises workflow and update best_practices.
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‎best_practices.md

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# Best practices for when you are working on exercises
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### Commenting out shortcut
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- Select the lines you want to comment and press:
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- Windows: ```Ctrl + / ```
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- Mac: ```Command + /```
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Navigate the folders using the command-line and create your <homework_sessionNumber.py> (ex: homework_2.py) file:
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---
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## When you start:
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First, make sure you are using the shell (not the console).
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Using the bash shell, navigate the folders using the command-line and make sure you are in the same folder as the files you want to access. Ex: In order to access `exercises_1.py`, you have to be in `intro-to-python/session_01`.
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Here are some CLI commands to help you out:
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```bash
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pwd # Prints to the console the path of your current working directory
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cd .. # Gets out of the directory you are in
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```
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---
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mkdir <directory_name> # Creates new directory
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rmdir my_folder # Deletes an empty Directory (Folder)
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rm -r <directory_name> # Deletes the directory and its contents recursively
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touch <file_name.txt/file_name.py> # Creates new file
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rm <file_name.txt/file_name.py> # Deletes file
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```
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## How do you run a python file?
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1. Make sure that you are using the shell.
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1. Verify that you are in the folder containing the file you want to run. You can use `pwd` to check the current folder and `ls` to see the files in the current folder.
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2. Run `python <file_name.py>` (ex: `python session_1.py`).
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## Before you go:
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When you are done for the day, don't forget to commit and push your work using the git commands:
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```shell

‎session_00/exercises_0.md

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```bash
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pwd # Prints to the console the path of your current working directory
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ls # Lists the files in the directory you are in
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cd <directory_name> # Gets in a given directory
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cd .. # Gets out of the directory you are in
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mkdir <directory_name> # Creates new directory
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rmdir my_folder # Deletes an empty Directory (Folder)
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rm -r <directory_name> # Deletes the directory and its contents recursively
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touch <file_name.txt/file_name.py> # Creates new file
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rm <file_name.txt/file_name.py> # Deletes file
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```
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When you are done for the day, don't forget to commit and push your work using the git commands:
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```shell
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git add . # Adds ALL changes to the staging area in preparation for committing them to the repository.​
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git commit -m "<Short description of what you have worked on.>" # Saves changes to the local repository, along with your commit message, usually describing the changes.
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git push origin main # Uploads local changes to your remote repository, on the main branch.
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```
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‎session_01/exercises_1.md

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‎session_01/exercises_1.py

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# Session 1 Exercises
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# Please have a look at the best_practices.md file beforehand.
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## Section A
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# 1. Write code that prints ‘Hello world’.
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# 2. Print the numbers 1 to 5 on a single line.
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# 3. Write a script where ‘Hello’ and ‘World’ are printed on two separate lines.
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# 4. Write a script that prints a list of names, tabbed on separate lines, e.g.
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# ```My List of Names:
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# Alice
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# Bob
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# Charlie
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# ```
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# <---------------------------------------------------------------------------------------------->
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## Section B
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# 1. Write code that prints the value of 2 + 2.
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# 2. Write code that prints the value of 5.7 subtracted from 3.4.
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# 3. Write code that prints the value of 8 multiplied by 7.
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# 4. Write code that prints the value of 144 divided by 12.
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# 5. Write code that prints the value of the remainder of 67 divided by 12.
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# 6. Write code that finds the value of 20 from `4 - 2 * 6 / 3 * 5`. Hint: you might need brackets.

‎session_02/exercises_2.md

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‎session_02/exercises_2.py

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# Session 2 Exercises
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## Section A
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# 1. Create two variables that hold the width and height of a rectangle, work out and store the area in a third variable.
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# Print out the string: `Rectangle of width <x> and height <y> has an area of <area>`.
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# 2. Write code that prints the length of the string, 'python'.
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# 3. Print out the first and third letter of the word 'python'.
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# 4. Ask the user to enter their name, and print out `Hello, <name>`.
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# 5. Ask the user to enter their age, tell them how old they will be in 15 years time.
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# 6. Combine the two input statements above and print out the message `Hello, <name>, you are currently <age> years old.
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# In 15 years time you will be <age_in_15_years_time>`.
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# 7. Ask the user to enter their hometown, print it out in uppercase letters.
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# 8. Ask the user to enter their favourite colour and find out the length of the colour they input.
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# 9. Ask the user to enter the weather and the month. Print out the string, `It is <month> and it is <weather> today`.
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# 10. Ask the user to enter 5 different temperatures and the month. Work out the average temperature and print out the string:
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# `It is <month> and the average temperature is <average_temperature> degrees celsius`.
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# 11. Print out the above sentence but make the month upper case.
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# 12. Create a variable that holds your favourite animals and print it out.
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# Make sure the animals are all on different lines and tabbed.
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# 13. Ask the user to enter their name as well as a number.
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# Print out the uppercase character at that position in the string.
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# 14. Slice the string with steps of 2, excluding the first and last characters of the string "WelcometoPython".

‎session_03/exercises_3.md

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‎session_03/exercises_3.py

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# Session 3 Exercises
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## Section A
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# 1. Ask for the user's name, if they are called "Bob", print "Welcome Bob!".
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# 2. Ask for the user's name, if they are not called "Alice", print "You're not Alice!".
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# 3. 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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# 4. Ask the user to enter a number, if the number is even, print "Even", otherwise print "Odd".
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# 5. 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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# 6. Ask the user to enter the length and width of a shape and check if it is a square or not.
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# 7. You have had a great year and are going to offer a bonus of 10% to any employee who has a service of over 3 years.
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# Ask the user to input their current salary and years of service and print out their salary and their bonus or "No bonus" if they are not receiving one.
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# 8. Take a whole number input, if it's positive, print out the number cubed, if it is a negative, print out half its value.
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# <---------------------------------------------------------------------------------------------->
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## Section B
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# 1. Ask for the user's name, if they are called "Alice" print "Hello, Alice", if they are called "Bob",
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# print "You're not Bob! I'm Bob", else print "You must be Charlie".
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# 2. Ask the user to enter their age:
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# 1. If they are younger than 11, print "You're too young to go to this school"
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# 2. If they are between 11 and 16, print "You can can come to this school"
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# 3. If they are over 16, print 'You're too old for school"
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# 4. If they are 0, print "You're not born yet!"
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# 3. Ask the user to enter the name of a month. If the user enters March/April/May: print "<month> is in Spring", otherwise print "I don't know".
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# 1. Expand for the rest of the year, given that summer is June/July/August. Autumn is September/October/November. Winter is December/January/February.
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# 2. Ensure that when an unknown month is given it prints "I don't know".
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# 4. Ask the user for two different numbers, if both numbers are even, print "Even", if both numbers are odd, print "Odd", else print the product of the two numbers.
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# 5. Ask the user to input two numbers. Decide which is the number of highest value and print this out.
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# 6. You have had a fantastic year and are now going to offer a bonus of 20% to any employee who has a service of over 7 years,
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# a bonus of 15% to any employee who has a service of over 5 years and a bonus of 10% to any employee who has a service of 3 - 5 years.
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# Ask the user to input their current salary and years of service and print out their salary and their bonus or "No bonus" if they are not receiving one.
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# 7. Take the age and name of three people and determine who is the oldest and youngest and print out the name and age of the oldest and youngest.
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# If all three ages are the same, print that.
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# 8. A school has following rules for their grading system:
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# a. Above 80 – A
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# b. 60 to 80 – B
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# c. 50 to 60 – C
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# d. 45 to 50 – D
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# e. 25 to 45 – E
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# f. Below 25 - F
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# Ask user to enter the lesson and the marks for three lessons and print out the corresponding grades for the lesson.

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