In a given input string, count and return the number of upper and lower case characters as u and l respectively.
in 'This is a Test Case'
ans= [u,l]= [3,12]
Additional test cases have been added.
Distance walked 2D
Min of a Matrix
Dimensions of a rectangle
Largest Prime Number
Sum of unique multiples of 3 and 5
Raise each element to the power of its index in a matrix
Remove white spaces at the end of the input string
Repetition of matrices
Day counter function
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