Add Binary Search

[Yangshun Tay]

• Search for target
• Bisect left
• Bisect right

References:

• https://docs.python.org/2/library/bisect.html

[Ashwin Kumar]

This issue is no more opened. I guess it should be marked as closed.

[Yangshun Tay]

Bisect left and bisect right isn't done yet. Feel free to take it up.