string name is not defined

[listingpython]

print("Enter your name:")
x = input()
print("Hello, " + x)

after compiling the program i get this following error

Enter your name:
listingpython
Traceback (most recent call last):
  File "input.py", line 2, in <module>
    x = input()
  File "<string>", line 1, in <module>
NameError: name 'listingpython' is not defined