3174.clearDigits

. - 力扣（LeetCode）

直接用递归做

class Solution:
	def clearDigits(self, s: str) -> str:
		for i, c in enumerate(s):
			if c.isdigit():
				new_str = s[:i - 1] + s[i+1:]
				return self.clearDigits(new_str)
		return s