PyCalcBrown | Python Fiddle

def  add(x,y):
	return x + y
def subtract(x,y):
	return x - y
def multiply(x,y):
	return x * y
def divide(x,y):
	return x / y
def modulus(x,y):
	return x % y
def power(x,y):
	return x ** y

# take input from the user
print("Select operation.")
print("1.Add")
print("2.Subtract")
print("3.Multiply")
print("4.Divide")
print("5.Modulus")
print("6.Power")

# Accept input from the user - the operation to perform
choice = raw_input("Enter choice(1/2/3/4):")
# Accept two inputs and perform convert from string to integer type
num1 = int(raw_input("Enter first number: "))
num2 = int(raw_input("Enter second number: "))
# Check to see of the user input was equal 1 
if choice == '1':
    print(num1,"+",num2,"=", add(num1,num2))
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))
elif choice == '5':
	print(num1,"%",num2,"=", modulus(num1,num2))
elif choice == '6':
	print(num1,"**",num2,"=", power(num1,num2))

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