python-built-ins-worth-learning.md

Python Built-ins Worth Learning - My Notes

Notes from reading this article: https://treyhunner.com/2019/05/python-builtins-worth-learning/

Essential / Specialized / Arcane

From these 42+27, choose 30.

Essential: Memorize for fluency

Commonly known

1. print
2. len
3. str
4. int
5. float
6. list
7. tuple
8. dict
9. set
10. range

Often overlooked by beginners

1. sum
2. enumerate
3. zip
4. bool
5. reversed
6. sorted
7. min
8. max
9. any
10. all

And to make debugging easier:

1. breakpoint
2. dir
3. vars
4. type
5. help

Specialized: Know about to find them effectively later

Learn it later

1. open
2. input
3. repr
4. super
5. property
6. issubclass and isinstance
7. hasattr, getattr, setattr, and delattr
8. classmethod and staticmethod
9. next

Maybe learn it eventually

1. iter
2. callable
3. filter and map
4. id, locals, and globals
5. round
6. divmod
7. bin, oct, and hex
8. abs
9. hash
10. object

Arcane: Unlikely to need, but know they exist, just in case

"You likely don't need these" (pretty specialized)

1. ord and chr
2. exec and eval
3. compile
4. slice
5. bytes, bytearray, and memoryview
6. ascii
7. frozenset
8. import
9. format
10. pow
11. complex