* Removed an extra '=' which was creating an error while running a program.
* Removed the unexpected expression part.
* Added program for swap cases in string folder
* removed if condition and exchange word with char
* added '=' sign which I removed before because of unknowing error from pycharm
* added space in test
* removed costraint from problem statement
* Update cocktail_shaker_sort.py
* Update naive_string_search.py
* Update swap_case.py
* psf/black " not '
* added new line at the end of the file
* Fix flake8 issues
* added new line at the end of the file
* added True and fixed comment
* python file end with \n
* Update swap_case.py
* Update strings/swap_case.py
* Update strings/swap_case.py
* Apply suggestions from code review
* Update strings/swap_case.py
* Update swap_case.py
* Update swap_case.py
Co-authored-by: Christian Clauss <cclauss@me.com>
