hpow to break line in python code example

Example 1: line break in python code

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

#preferred by style guide
a = ('1' + '2' + '3' +
    '4' + '5')

Example 2: break line in string python

myString = '1X2X3X'
print (myString.replace ('X', 'X\n'))