str.
capitalize
Convert Strings in the series to be capitalized.
Examples
>>> s = ps.Series(['lower', 'CAPITALS', 'this is a sentence', 'SwApCaSe']) >>> s 0 lower 1 CAPITALS 2 this is a sentence 3 SwApCaSe dtype: object
>>> s.str.capitalize() 0 Lower 1 Capitals 2 This is a sentence 3 Swapcase dtype: object