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.
Fahrenheit to Celsius converter
Side of a rhombus
Square the input
Square a Number
Summation of array
Check for keywords
Return median of a matrix
Nth root of a number
Day counter function
Sum of unique multiples of 3 and 5
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