#This function is for addition
def add(x, y):
   return x + y

#Function for subtraction
def subtract(x, y):
   return x - y

#Function for multiplication
def multiply(x, y):
   return x * y

#Function for division
def division(x, y):
   return x / y
print("Welcome to Patrick's calculator! ")
print('\n' * 4)
print("Enter 1 for addition ")
print("Enter 2 for subtraction ")
print("Enter 3 for multiplication ")
print("Enter 4 for division ")
