## Simple_Calculator_using_Functions.py

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## Code Snippet

``````# Program make a simple calculator that can add, subtract, multiply and divide using functions

# define functions

return x + y

def subtract(x, y):
"""This function subtracts two numbers"""

return x - y

def multiply(x, y):
"""This function multiplies two numbers"""

return x * y

def divide(x, y):
"""This function divides two numbers"""

return x / y

# take input from the user
print("Select operation.")
print("2.Subtract")
print("3.Multiply")
print("4.Divide")

choice = input("Enter choice(1/2/3/4):")

num1 = int(input("Enter first number: "))
num2 = int(input("Enter second number: "))

if choice == '1':

elif choice == '2':
print(num1,"-",num2,"=", subtract(num1,num2))

elif choice == '3':
print(num1,"*",num2,"=", multiply(num1,num2))

elif choice == '4':
print(num1,"/",num2,"=", divide(num1,num2))
else:
print("Invalid input")
``````