How to write a Python function that accepts a string and calculate the number of upper case letters and lower case letters - Quora
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javascript - How can I convert each alternate character of a string lowercase to uppercase and string uppercase to lowercase in Jquery? - Stack Overflow
How to write a Python function that accepts a string and calculate the number of upper case letters and lower case letters - Quora
![How to convert Upper case into Lowercase letter and vice versa in python || python tutorial #12 - YouTube How to convert Upper case into Lowercase letter and vice versa in python || python tutorial #12 - YouTube](https://i.ytimg.com/vi/onm_oSJ10V0/maxresdefault.jpg)