I just made my first python program
Code:

Code:
#Addition
def add(x, y):
return x + y
#Subtraction
def subtract(x, y):
return x - y
#Multiplication
def multiply(x, y):
return x * y
#Division
def divide(x, y):
return x / y
#Options
print("Select operation")
print("1->Add")
print("2->Subtract")
while True:
choice = input("Enter choice 1 -> 4")
if choice in ('1', '2'):
num1 = float(input("Enter x"))
num2 = float(input("Enter y"))
if choice == '1':
print(num1, "+", num2, "=", add(num1, num2))
elif choice == '2':
print(num1, "-", num2, "=", subtract(num1, num2))
break
else:
print("Invalid Input")