Bisect_Left Vs. Bisect_Right
bisect_leftgives the lowest index where the element should be insertedbisect_rightgives the largest index, where the element should be insertedbisect_left==bisect_rightwhen the element is not present
bisect_left gives the lowest index where the element should be inserted
bisect_right gives the largest index, where the element should be inserted
bisect_left == bisect_right when the element is not present