python if defined

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showing results for - "python if defined"
Salvatore
28 Aug 2016
1# for local
2if 'myVar' in locals():
3  # myVar exists.
4# for globals
5if 'myVar' in globals():
6  # myVar exists.
Camilla
22 May 2020
1# None signifies undefined
2
3if x is None:
4    some_fallback_operation(  )
5else:
6    some_operation(x)
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python if defined