Check if each first letter of a string is a capital letter.
for example: 'This Is Ok' gives a true answer and 'This Is not Ok' gives false
I added more test cases.
Who knows the last digit of pi?
Duplicate a character
Change the first and last diagonal element of the identity matrix to zero
Add the even numbers
Connect 4 (the boardgame)
Odd times 3
X plus binary inverted x
Reduce the logic
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