Change given string to number. (hint: there is already function)
Changing from ['1234'] to  is one of example
Please expand the test suite so that solutions like this do not work.
2 b | ~ 2 b
Generate a vector like 1,2,2,3,3,3,4,4,4,4
find radius of cone
The sum of the numbers in the vector
Deleting an element in a matrix
How to permute given 3d matrix?
Solve system of equation!
How to calculate log?
Change matrix to vector2
Solve the system of linear equations
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