Series.str.
len
Compute the length of each element in the Series/Index.
The element may be a sequence (such as a string, tuple or list) or a collection (such as a dictionary).
A Series or Index of integer values indicating the length of each element in the Series or Index.
See also
str.len
Python built-in function returning the length of an object.
Series.size
Returns the length of the Series.
Examples
Returns the length (number of characters) in a string. Returns the number of entries for dictionaries, lists or tuples.
>>> s = pd.Series(['dog', ... '', ... 5, ... {'foo' : 'bar'}, ... [2, 3, 5, 7], ... ('one', 'two', 'three')]) >>> s 0 dog 1 2 5 3 {'foo': 'bar'} 4 [2, 3, 5, 7] 5 (one, two, three) dtype: object >>> s.str.len() 0 3.0 1 0.0 2 NaN 3 1.0 4 4.0 5 3.0 dtype: float64