def swap_case(self):
"""Swap case in a string
Returns:
Chepy: The Chepy object.
Examples:
>>> Chepy("SoMe TeXt").swap_case().o
"sOmE tExT"
"""
self.state = pydash.swap_case(self._convert_to_str())
return self
def test_swap_case(case, expected):
assert _.swap_case(case) == expected