Answers for "python if defined"

how to check if var exists python

# for local
if 'myVar' in locals():
  # myVar exists.
# for globals
if 'myVar' in globals():
  # myVar exists.

Posted by: Guest on March-26-2020

python if defined

# None signifies undefined

if x is None:
    some_fallback_operation(  )
else:
    some_operation(x)

Posted by: Guest on May-14-2021

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