F Strings : Inuitive way to write python

Опубликовано: 12 Июль 2018
на канале: Sandy

First, they are called f-strings because you need to prefix a string with the letter “f” in order to get an f-string, similar to how you create a raw string by prefixing it with “r”, or you can use the prefixes “b” and “u” to designate byte strings and unicode strings. Note that the “u” prefix was only necessary in Python 2 (“Legacy Python”), since native strings are the default now in Python 3.

The letter “f” also indicates that these strings are used for formatting. Now Python already provides several ways for formatting strings, so you may wonder why the Python gods introduced yet another way, in blatant violation of the Zen of Python, according to which there should be only one obvious way of doing things. In fact some people already complained about this. However, these people overlook that the Zen of Python also states that simple is better than complex and practicality beats purity - and yes, f-strings are really the most simple and practical way for formatting strings.

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