reversed method applied in DODA

[HarsheetKakar]

References to other Issues or PRs or Relevant literature

Fixes #209

Brief description of what is fixed or changed

Other comments

[codecov]

Codecov Report

Merging #211 into master will decrease coverage by 0.057%.
The diff coverage is 100.000%.

@@              Coverage Diff              @@
##            master      #211       +/-   ##
=============================================
- Coverage   96.933%   96.876%   -0.058%     
=============================================
  Files           24        24               
  Lines         1859      1921       +62     
=============================================
+ Hits          1802      1861       +59     
- Misses          57        60        +3     

Impacted Files	Coverage Δ
pydatastructs/linear_data_structures/arrays.py	100.000% <100.000%> (ø)
...datastructs/miscellaneous_data_structures/queue.py	98.666% <0.000%> (-1.334%)	⬇️
pydatastructs/trees/heaps.py	97.802% <0.000%> (-0.532%)	⬇️
pydatastructs/graphs/algorithms.py	100.000% <0.000%> (ø)

[czgdp1807]

Looks Okay.