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.
Remove the vowels
Count up then down
Is the input divisible by 3?
Area of a circle
Solve the system of linear equations
How to permute given 3d matrix?
Make roundn function
Solve equation numerically
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