Whats wrong with this code?

Question

please help....
why is it showing error?
https://code.sololearn.com/c5RDYdBWC1q0/?ref=app

Answer 1

change your first line x=input(" ")
by x=int(input(" "))
as you can add two integer numbers

Answer 2

what should the correct code be?

Answer 3

This should be the code:
x = int(input(""))
print(x)

print(x + 3)

print(x)

The reason it didn't work is because the input could have also been a string. And the computer doesn't process that right, because you might as well write "Hello" as the input. Whenever you want the input to be a number, do: int(input(""))