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java - How do i check string to contain only letter(Uppercase & Lowercase) and at least one number only - Stack Overflow
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How Can We Test if a Letter in a String is Uppercase or Lowercase in Python programming language - YouTube
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 solve the code, from a given string, print the string in all uppercase if the number of uppercase is more than lowercase letters? Otherwise if lowercase is greater or equal
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