numpy.core.defchararray.chararray.swapcase
-
chararray.swapcase()[source] -
For each element in
self, return a copy of the string with uppercase characters converted to lowercase and vice versa.See also
char.swapcase
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https://docs.scipy.org/doc/numpy-1.15.4/reference/generated/numpy.core.defchararray.chararray.swapcase.html