[T-1-2-3-4-F-1-2] implemented all task with all features#70

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ishu-23 wants to merge 6 commits into

winsoft-technologies:masterfrom

Commits on Jul 22, 2020

task 1 completed with features
ishu-23
committed
task 2 completed with features
ishu-23
committed
task 3 completed with features
ishu-23
committed
updated task 1 completed with features
ishu-23
committed
task 4 completed with features
ishu-23
committed
updated task 4 completed with features
ishu-23
committed