8000 days 6 · chandantech56/python-class@68b2fab · GitHub
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chandantech56chandantech56
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‎function_practice/calculator.py

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# Simple Python Calculator
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# Function to add two numbers
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def add(x, y):
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return x + y
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# Function to subtract two numbers
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def subtract(x, y):
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return x - y
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# Function to multiply two numbers
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def multiply(x, y):
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return x * y
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# Function to divide two numbers
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def divide(x, y):
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if y != 0:
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return x / y
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else:
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return "Error! Division by zero."
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# Displaying the menu
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def display_menu():
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print("Select operation:")
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print("1. Add")
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print("2. Subtract")
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print("3. Multiply")
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print("4. Divide")
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print("5. Exit")
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# Main program
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def main():
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while True:
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display_menu()
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# Taking user input for operation
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choice = input("Enter choice (1/2/3/4/5): ")
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# Check if the user chose to exit
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if choice == '5':
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print("Exiting the calculator. Goodbye!")
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break
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# Ensure the input is valid
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if choice in ('1', '2', '3', '4'):
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# Taking user input for the numbers
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num1 = float(input("Enter first number: "))
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num2 = float(input("Enter second number: "))
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# Perform the chosen operation
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if choice == '1':
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print(f"The result is: {add(num1, num2)}\n")
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elif choice == '2':
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print(f"The result is: {subtract(num1, num2)}\n")
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elif choice == '3':
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print(f"The result is: {multiply(num1, num2)}\n")
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elif choice == '4':
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print(f"The result is: {divide(num1, num2)}\n")
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else:
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print("Invalid input! Please select a valid operation.\n")
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if __name__ == "__main__":
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main()

‎function_practice/function.py

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def calc_sum(a,b):
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return a+b
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sum = calc_sum(10,20)
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print(sum)
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sum = calc_sum(35,30)
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print(sum)
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def avr_number(a,b,c):
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sum = a+b+c
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avr = sum/3
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return avr
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avr = avr_number(10,20,5)
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print(avr)
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# cities = ["delhi","bangalore", "hyderabad", "mumbai"]
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n = 1
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for i in range(1, n+1):
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n*=1
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print(5)

‎python_class5/class5.py

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print(my_list)
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print(type(my_list))
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#nested data types: [0,2]
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#nested data types: [2]
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L = ['a', 'b' ,['cc','dd',['eee','fff']],'g','h']
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print(L)
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print(L[2])
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print(L[2][0])
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print(L[2][2])
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print(L[3])
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#negative index data
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# Negative indexing means start from the end
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# -1 refers to the last item, -2 refers to the second last item etc.
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thislist = ["apple", "banana", "cherry"]
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print(thislist[-1])
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# slicing in list
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#Negative indexing means starting from the end of the list.
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#This example returns the items from index -4 (included) to index -1 (excluded)
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#Remember that the last item has the index -1,

‎python_class6/assignment.py

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number= [10,20,5,8,9,7,11]
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number[1]=30
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print(number)
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number[2:3]= 15,16
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print(number)
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number.append(12)
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print(number)
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number.extend([13,14,15,16])
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print(number)
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number.insert(1,15)
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print(number)
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number.remove(10)
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print(number)
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number.pop(2)
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print(number)
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#delete function
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del number[2]
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print(number)
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cities= ["delhi","hydrabad","bangalore","pune","goa"]
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del cities[3]
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print(cities)

‎python_class6/class6.py

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even= [2,4,6,8,10]
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even[3]= 5
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print(even)
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even= [3,5,7,9,11]
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even[4]=10
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print(even)
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odd= [3,5,7,9,11]
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odd[2:4]= [2,4,8]
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print(odd)
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odd = [1,3,5]
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odd.append(6)
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print(odd)
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#odd.apend(2,9): there are error show. bcz only one value put in value in append method.
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odd.extend([9,11,13]) #multiple value added in extend methods
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print(odd)
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odd = [1,9]
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odd.insert(1,3) #print index before
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print(odd)
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odd[2:2]=[5,7]
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print(odd)
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# concatination and repeting
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odd= [1,3,5]
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print(odd+[9,7,5])
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print(["re"]*3)
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#deleting list items
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my_list = ["p","r", "o","y","t"]
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del my_list[2]
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print(my_list)
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del my_list[1:3]
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print(my_list)
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del my_list
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# print(my_list) #deleting all variable and values so showing error
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my_list = ["p","r", "o","y","t"]
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my_list.remove("r") #remove method : remove at the given particular values
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print(my_list)
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my_list.pop() #pop method: remove last list value
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print(my_list)
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my_list.pop(1) # remove index wise in list
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print(my_list)

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