Write a function that gives the mean digit (round towards nearest integer) of an input and positive number. For example:
x = 264 --> y = 4
x = 128 --> y = 4
Test Suite problem #4 has an incorrect value.
Test suite #4 is incorrect
Back to basics 17 - white space
Return the first and last character of a string
Calculate Engine Power
Is the input divisible by 3?
Ratio between sum of primes and sum of factors
Alternate list of elements
Ratio between sum of primer numbers and non-prime numbers
Approximate the inverse tangent by power series
Alternating 1´s and 0´s in a matrix
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