Series.str.lower()
pandas.Series.str.lower
-
Series.str.lower()
[source] -
Convert strings in the Series/Index to lowercase. Equivalent to
str.lower()
.Returns: converted : Series/Index of objects
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Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.20.2/generated/pandas.Series.str.lower.html