What idioms should I use to make my code easier to read?
Read "The Python Cookbook", especially the first few chapters.
It's a great source of well-written Python code examples.
Use function factories to create utility functions.
Often, especially if you're using map and filter a lot,
you need utility functions that convert other functions or methods to
taking a single parameter. In particular, you often want to bind some data
to the function once, and then apply it repeatedly to different objects.
In the above example, we needed a function that multiplied a particular field
of an object by 3, but what we really want is a factory that's able to return
for any field name and amount a multiplier function in that family:
Use zip and dict to map fields to names.
zip turns a pair of sequences into a list of tuples containing
the first, second, etc. values from each sequence. For example,
zip('abc', [1,2,3]) == [('a',1),('b',2),('c',3)]. You can use
this to save a lot of typing when you have fields in a known order that
you want to map to names:
The New year is coming, and we all are excited to know what awaits the tech industry in the nearest future. What technologies will gain momentum? Which of them will become a thing of the past? What will be the best choice for building a web project in 2021? And how strong is Python demand on the market?
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