Python Simple Calculator Code

#Simple Calculator Code.

import sys

print("Simple Calculator!\n")

print("Enter the First Number -->> \n")

number1=int(input())

print("Enter the Second Number -->> \n")
number2=int(input())

print("Press + for Addition\n")
print("Press - for Subtraction\n")
print("Press * for Multiplication\n")
print("Press / for Division\n")
operation=input();

if(operation=='+'):
    print(number1+number2)
elif(operation=='-'):
    print(number1-number2)
elif(operation=='*'):
    print(number1*number2)
elif(operation=='/'):
    print(number1/number2)
else:
    print("Invalid Operation Value Entered")
print("Thanks for Using")