Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.
Program an exclusive OR operation with logical operators
Back to basics 17 - white space
frame of the matrix
Is the input divisible by 3?
Convert given decimal number to binary number.
Mirror, mirror on the wall, who is fairest of them all?
Find files with extension ext in the current directory
Narcissistic number ?
Mysterious digits operation (easy)
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