{"id":115280,"date":"2020-07-11T06:54:55","date_gmt":"2020-07-11T06:54:55","guid":{"rendered":"https:\/\/blog.finxter.com\/?p=10694"},"modified":"2020-07-11T06:54:55","modified_gmt":"2020-07-11T06:54:55","slug":"python-ternary-tuple-syntax-hack","status":"publish","type":"post","link":"https:\/\/sickgaming.net\/blog\/2020\/07\/11\/python-ternary-tuple-syntax-hack\/","title":{"rendered":"Python Ternary \u2014 Tuple Syntax Hack"},"content":{"rendered":"

You may know the ternary operator x if c else y<\/code> in Python which reads as “return x<\/code> if c<\/code> else return y<\/code>“. But you may not know that you can also write the ternary operator in a shorter form as (y, x)[c]<\/code>. Let’s dive into this concise way of hacking your own ternary operator!<\/em><\/p>\n

\"Python<\/figure>\n

A shorthand form of the ternary operator<\/a> is the following tuple syntax<\/strong> hack.<\/p>\n

Syntax<\/strong>: You can use the tuple <\/a>syntax (x, y)[c]<\/code> consisting of a tuple (x, y)<\/code> and a condition c<\/code> enclosed in a square bracket. Here’s a more intuitive way to represent this tuple syntax.<\/p>\n

(<OnFalse>, <OnTrue>)[<Condition>]<\/pre>\n
\n\n\n\n\n\n\n\n
Operand<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
<OnTrue><\/td>\nThe return expression of the operator in case the condition evaluates to True<\/code><\/td>\n<\/tr>\n
<Condition><\/td>\nThe condition that determines whether to return the <On True> or the <On False> branch.<\/td>\n<\/tr>\n
<OnFalse><\/td>\nThe return expression of the operator in case the condition evaluates to False<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>
Tuple Syntax of the Ternary Operator<\/em><\/figcaption><\/figure>\n