Python comes with a built-in method on all
String types, by calling
lower() on a String, you can immediately lower the case of that String.
An example to LowerCase a String in Python
Now let’s try and see how it may look in a coding challenge:
Given a string
s, return the string after replacing every uppercase letter with the same lowercase letter.
1 <= s.length <= 100
sconsists of printable ASCII characters.