python combine two strings to one code example

Example 1: combine two strings python

>>> orig_string = 'Hello'
>>> orig_string + ', world'
'Hello, world'
>>> orig_string
'Hello'
>>> full_sentence = orig_string + ', world'
>>> full_sentence
'Hello, world'

Example 2: combine two strings python

>>> 'a' + 'b' + 'c'
'abc'