Series.apply()
pandas.Series.apply
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Series.apply(func, convert_dtype=True, args=(), **kwds)
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Invoke function on values of Series. Can be ufunc (a NumPy function that applies to the entire Series) or a Python function that only works on single values
Parameters: func : function
convert_dtype : boolean, default True
Try to find better dtype for elementwise function results. If False, leave as dtype=object
args : tuple
Positional arguments to pass to function in addition to the value
Additional keyword arguments will be passed as keywords to the function
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