Algorithmic Problem Solving: Preparing for a Coding Interview/

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Python-Specific

Python-Specific

Learn about good programming practices for Python.

We'll cover the following...

General

  • Follow the PEP-8 style guide. Use pep8 and autopep8 tools.

  • List imported modules at the beginning of a file. List them in the lexicographic order.

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#bad
import gzip
import sys
from collections import defaultdict
import io
from contextlib import contextmanager
import functools
from urllib.request import urlopen
#good
import functools
import gzip
import io
import sys
from collections import defaultdict
from contextlib import contextmanager
from urllib.request import urlopen

  • Use operators is and is_not for comparing with singletons (like None) only. The only exceptions are boolean constants True and False.

  • Use falsy/truthy semantics. Falsy values include None, False, zeroes 0, 0.0, and 0j ...