Count how many times given word x repeats in text.
The phrasing of the Problem Statement is not correct. The string "When you finish ..., you will be told .... You can then .... You can also ...." contains FOUR instances of the WORD "you". "You", "YOU" and "you" are all examples of the _word_ "you". The Problem Statement should say that the player must find occurrences of the provided text-pattern of the same case within the given text.
Remove NaN ?
Make a random, non-repeating vector.
Create a Matrix of Zeros
Display positive elements of matrix.
Solve expression II
Calculate the sum of elements of n*n Hilbert matrix.
Set x value to each even index of vector y.
Solve expression III
Find the volume of cone
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