why does this program giving me the error when i am using + in print() function and giving me the output when i am using ','

Question

Why this is working.
Input print(9, "ABC")
Output 9 ABC

And This is not working and showing the error.
Input print(9 + "ABC")
output TypeError: unsupported operand type(s) for +: 'int' and 'str'

Does this answer your question? [How can I concatenate str and int objects?](https://stackoverflow.com/questions/25675943/how-can-i-concatenate-str-and-int-objects) — jared_mamrot, Aug 31 '20 at 09:43

score 0 · Answer 1 · answered Aug 31 '20 at 09:04

0

9 is an integer and "ABC" is a string, so it is impossible to add an integer and a string.

You can use it like that;

print(str(9) + " " + "ABC")

answered Aug 31 '20 at 09:04

Ahmed Mamdouh

696
5
12

Dont use `+` for string concatenation! Use an f-string or `.format()`. – Klaus D. Aug 31 '20 at 09:08

score 0 · Answer 2 · answered Aug 31 '20 at 09:07

0

The "+" symbol is used to concatenate two strings together. In your code 9 is and integer and "ABC" is a string, in order for the code to work, both items need to be strings, which means that you need to change print(9+"ABC") to print(str(9)+"ABC")

answered Aug 31 '20 at 09:07

Joe Pickles

41
7

Thank you for answering and clearing my doubts – Anjali Paliwal Jun 23 '22 at 05:37

score 0 · Answer 3 · answered Aug 31 '20 at 11:01

+ operator can be used with same type of objects. In your case you are trying to add an Integer with a strings, which is a type mismatch. In case you want to concatenate it as strings change 9 to String as in following statement:

print(str(9)+"ABC")

To answer why print(9, "ABC") is working ?

This is working because print() supports VLA (Variable length argument) and its considering 9 as a integer input where as "ABC" as a String Input.

why does this program giving me the error when i am using + in print() function and giving me the output when i am using ','

3 Answers3