def add(x, y):
      """This function adds two numbers"""

      return x + y

def subtract(x, y):
      """This function subtracts two numbers"""

      return x - y

def multiply(x, y):
      """This function multiplies two numbers"""

      return x * y


def divide(x, y):
      """This function divides two numbers"""

      return x / y

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

choice = input("Enter choice(1/2/3/4):")

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

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")
Вывод результата:
Select operation.
1.Add
2.Subtract
3.Multiply
4.Divide
Enter choice(1/2/3/4): 3
Enter first number: 15
Enter second number: 14
15 * 14 = 210


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2015-11-29 • Просмотров [ 679 ]