Python break into next line code example

Example 1: break a line python

a = '1' + '2' + '3' + \
    '4' + '5'

Example 2: python write line break

new_line = "This new line will be added.\n"

with open("sample.txt", "a") as a_file:
  a_file.write("\n")
  a_file.write(new_line)