1672-Richest-Customer-Wealth.py

'''
You are given an m x n integer grid accounts where accounts[i][j] is the amount of money the i​​​​​​​​​​​th​​​​ customer has in the j​​​​​​​​​​​th​​​​ bank. Return the wealth that the richest customer has.

A customer's wealth is the amount of money they have in all their bank accounts. The richest customer is the customer that has the maximum wealth.
'''

class Solution:
    def maximumWealth(self, accounts: List[List[int]]) -> int:
        current, maxW = 0, 0
        for account in accounts:
            for i in account:
                current += i
            maxW = max(maxW, current)
            current = 0
        return maxW