class Solution: def minDeletionSize(self, strs: List[str]) -> int: count = 0 for i in range(len(strs[0])): w = [] k=[] for j in range(len(strs)): d=strs[j][i] w.append(d) k.append(d) k.sort() if k!=w: count+=1 return (count) #" using unzip " class Solution: def minDeletionSize(self, A: List[str]) -> int: d = 0 for col in zip(*A): if list(col)!=sorted(col): d+=1 return d
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