calci

# define the function for addition
def add(x, y):
return x + y

# define the function for subtraction
def subtract(x, y):
return x - y

# define the function for multiplication
def multiply(x, y):
return x * y

# define the function for division
def divide(x, y):
return x / y

# display the menu options
print("Select operation.")
print("1.Add")
print("2.Subtract")
print("3.Multiply")
print("4.Divide")

# take input from the user
choice = input("Enter choice (1/2/3/4): ")

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

# perform the selected operation
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))

else:
print("Invalid input")