pandas.Series.str.endswith
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Series.str.endswith(pat, na=nan)[source]
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Return boolean Series indicating whether each string in the Series/Index ends with passed pattern. Equivalent to str.endswith().Parameters: pat : string Character sequence na : bool, default NaN Returns: endswith : Series/array of boolean values 
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Licensed under the 3-clause BSD License.
    https://pandas.pydata.org/pandas-docs/version/0.20.3/generated/pandas.Series.str.endswith.html