Given four coordinates, write a function to check if they form a square on the XY plane.
Find the sum of all the numbers of the input vector
First N Perfect Squares
Largest Twin Primes
Weave two vectors into one
Replace odd number in given matrix by zero
Say type of roots in quadratic equation
Ratio between sum of primer numbers and non-prime numbers
Double the next!
Get the mean digit
Get the value 100
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