Version 1 (modified by jdsiiro, 5 years ago) (diff)


Efficiency of Python Idioms

Profiling and improving the performance of any Python code requires some familiarity with the efficiency of key idioms in the Python language. Here we document some common idioms and their relative performance.

Testing Truth

When constructing logical control expressions, how should we check for "truth"?

  • Guidance:
    • prefer "if x:" and "if not x"
    • avoid "if x == True" or "if x is True"
  • Justification: