Savings gap widens: Median retirement savings for U.S. workers is $955, far below recommended milestones. Social Security reliance: A record 62% of retirees depend on Social Security as a major income ...
Aright = A[i + 1] if (i + 1) < len(A) else float("infinity") Bleft = B[j] if j >= 0 else float("-infinity") Bright = B[j + 1] if (j + 1) < len(B) else float("infinity") ...