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def coalesce(*args): | |
"""Returns the first not None/Empty/False item. Similar to ?? in C#. | |
It's different from a or b, where false values are invalid. | |
:param args: list of items for checking | |
:return the first not None item, or None | |
""" | |
out = None #default return value | |
for arg in args: | |
if arg: #find first non-falsey argument | |
out = arg |