Using this code code:
person = input('Enter your name: ')
print('Hello', person, '!')
Like this:
Enter your name: david
Gives me this error:
Traceback (most recent call last):
  File "test.py", line 1, in <module>
    person = input('Enter your name: ')
  File "<string>", line 1, in <module>
NameError: name 'david' is not defined
