I cann't run true

Question

>>>print ('Hello world!')

Answer 1

'>>>' is the prompt of the interactive Python interpreter, meaning that the interpreter is ready to get Python statements typed in
remove this sign then run your code it works fine

Answer 2

do not include the ">>>".
its not part of python

Answer 3

>>> is not a user input, it is actually the output shown by your interpreter or IDE to inform you that you have to write your code now.

Answer 4

Brains please I want you to teach me how to code cuz am new to coding