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pandas.Series.map

Series.map(arg, na_action=None)

Map values of Series using input correspondence (which can be a dict, Series, or function)

Parameters:

arg : function, dict, or Series

na_action : {None, ‘ignore’}

If ‘ignore’, propagate NA values

Returns:

y : Series

same index as caller

Examples

>>> x
one   1
two   2
three 3
>>> y
1  foo
2  bar
3  baz
>>> x.map(y)
one   foo
two   bar
three baz