Add transpose function for a 2D array

[HarshNagpal07]

Implemented a function to transpose a 2D array. It's just for the basic understanding of the How Arrays work, how they transpose their elements.

[codecov-commenter]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 85.91%. Comparing base (08d8c6b) to head (187ea39).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1857   +/-   ##
=======================================
  Coverage   85.91%   85.91%           
=======================================
  Files         379      379           
  Lines       19778    19778           
  Branches     3015     3016    +1     
=======================================
  Hits        16993    16993           
  Misses       2785     2785           

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[HarshNagpal07]

Hey can you see the code?