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    * [ pandas.Series.cat.add_categories ](pandas.Series.cat.add_categories.html)
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  * [ Missing values ](../missing_value.html)

  * [ __ ](../../index.html)
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  * [ Series ](../series.html)
  * pandas.Serie... 

#  pandas.Series.str.lower  #

Series.str.  lower  (  )  [ [source]  ](https://github.com/pandas-
dev/pandas/blob/v2.2.2/pandas/core/strings/accessor.py#L3191-L3195) #

    

Convert strings in the Series/Index to lowercase.

Equivalent to [ ` str.lower()  `
](https://docs.python.org/3/library/stdtypes.html#str.lower "\(in Python
v