How Can I Effectively Split Long Lines of Python Code?

Line Continuation in Python

Splitting a long line of Python source code can be achieved through line continuation. There are multiple ways to do this:

Line Arguments

For arguments, the following syntax can be used without any issues:

a = dostuff(blahblah1, blahblah2, blahblah3, blahblah4, blahblah5, 
            blahblah6, blahblah7)

Logical Expressions

Logical expressions can be split as follows:

if (a == True and
    b == False):

or using an explicit line break:

if a == True and \
   b == False:

Parentheses

Using parentheses, expressions can be split over multiple lines:

a = ('1' + '2' + '3' +
    '4' + '5')

or with an explicit line break:

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

Preferred Syntax

According to the style guide, the implicit continuation with parentheses is preferred. However, it may not be suitable for all scenarios.

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