# Description: Sum the numbers in a list using recursion with Python. # is also the "base case" where recursion will stop and function will stop # calling itself (also know as the "base step"). # ...

# Time: O((m + n) * l), m is the size of list1, n is the size of list2 # Space: O(m * l), l is the average length of string # Suppose Andy and Doris want to choose a restaurant for dinner, # and they ...