Calc

def add():
    a = int(input("Enter the first number you'd like to add"))
    b = int(input("Enter the second number you'd like to add"))
    c = a + b
    print(f"The result is {c}!")

def sub():
    a = int(input("Enter the first number you'd like to subtract"))
    b = int(input("Enter the second number you'd like to subtract"))
    c = a - b
    print(f"The result is {c}!")

def mult():
    a = int(input("Enter the first number you'd like to multiply"))
    b = int(input("Enter the second number you'd like to multiply"))
    c = a * b
    print(f"The result is {c}!")

def divis():
    a = int(input("Enter the first number you'd like to divide"))
    b = int(input("Enter the second number you'd like to divide"))
    c = a / b
    print(f"The result is {c}!")

for i in range(4):
    calc_mode = int(input("Please pick a mode" + "\n"
    "1 is addition\n"
    "2 is subtraction\n"
    "3 is multiplication\n"
    "4 is division\n"))
    if calc_mode == 1:
        add()
    elif calc_mode == 2:
        sub()
    elif calc_mode == 3:
        mult()
    elif calc_mode == 4:
        divis()
    elif i == 3:
        print("Shutting down.")
    else:
        print("You didn't pick a mode, try again.")