Why i got this error in Python!!

Question

I run this code :

def concating (name) :
return "Hello " + name

str = input("Enter your name :")
print(concating(str))

I got this error : name 'sara' is not defined

What is the problem?

Answer 1

you didnt define the name.

name = "sara"

thats the solution

Answer 2

How do i do this?

Answer 3

check this out.
i made a comment

https://code.sololearn.com/cVNUD9hSlNH9/?ref=app

Answer 4

Thank you!