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How Can We Test if a Letter in a String is Uppercase or Lowercase in Python programming language - YouTube
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Built in String Functions in Python | Capitalize | Casefold | Lower | Upper | islower | isupper - YouTube
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write a python program to accept a string and print the number of uppercase, lower case, vowel, consonants, and spaces in the given string using class | by Srinidhi.R | Medium
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 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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