[WIP] Added Longest Common Sequence

[LazarusCoder]

References to other Issues or PRs or Relevant literature

Fixes #308 #310

Brief description of what is fixed or changed

Longest Common Subsequence #308 is been added with backtracking
so now we get the Lenght of LCS and sequence too

Other comments

[czgdp1807]

Please go through some already present code in master. The code is okay but the function names aren't descriptive, the document string isn't following the already existing style. Code quality checks are failing.

[codecov]

Codecov Report

Merging #310 (9643882) into master (42832f7) will increase coverage by 0.008%.
The diff coverage is 100.000%.

@@              Coverage Diff              @@
##            master      #310       +/-   ##
=============================================
+ Coverage   98.866%   98.874%   +0.008%     
=============================================
  Files           25        25               
  Lines         2999      3021       +22     
=============================================
+ Hits          2965      2987       +22     
  Misses          34        34               

Impacted Files	Coverage Δ
pydatastructs/linear_data_structures/__init__.py	100.000% <ø> (ø)
pydatastructs/linear_data_structures/algorithms.py	99.507% <100.000%> (+0.059%)	⬆️

[LazarusCoder]

LCS with Back Tracking Done

[sidhu1012]

Please go through some already present code in master. The code is okay but the function names aren't descriptive, the document string isn't following the already existing style.

These issues still persist in code. Please make function name more informative and follow numpy docstring guidelines.

[LazarusCoder]

Please go through some already present code in master. The code is okay but the function names aren't descriptive, the document string isn't following the already existing style.

These issues still persist in code. Please make function name more informative and follow numpy docstring guidelines.
@czgdp1807
right now function name is LCS =>Longest common sub sequence would be big as a function name same while calling it dont you think?

[czgdp1807]

Suggested change

	def LCS(data_A,data_B):
	def lowest_common_subsequence(seq1, seq2):

[czgdp1807]

Care to add some spaces around =, after, ,. It just makes it easier to read code.

[sidhu1012]

It has conflicts now. Please resolve them.

[czgdp1807]

Closing in favour of #315