Mar 4, 2025 · Jan 16, 2025 · Jan 23, 2025 · Mar 4, 2025 · Jan 16, 2025
diff --git a/problems/kamacoder/0054.替换数字.md b/problems/kamacoder/0054.替换数字.md
Original file line number	Diff line number	Diff line change
Expand Up		@@ -215,6 +215,46 @@ public class Main {
		}
		```

	### Python:
	```python
	class Solution(object):
	def subsitute_numbers(self, s):
	"""
	:type s: str
	:rtype: str
	"""

	count = sum(1 for char in s if char.isdigit()) # 统计数字的个数
	expand_len = len(s) + (count * 5) # 计算扩充后字符串的大小, x->number, 每有一个数字就要增加五个长度
	res = [''] * expand_len

	new_index = expand_len - 1 # 指向扩充后字符串末尾
	old_index = len(s) - 1 # 指向原字符串末尾

	while old_index >= 0: # 从后往前, 遇到数字替换成"number"
	if s[old_index].isdigit():
	res[new_index-5:new_index+1] = "number"
	new_index -= 6
	else:
	res[new_index] = s[old_index]
	new_index -= 1
	old_index -= 1

	return "".join(res)

	if __name__ == "__main__":
	solution = Solution()

	while True:
	try:
	s = input()
	result = solution.subsitute_numbers(s)
	print(result)
	except EOFError:
	break

	```

		### Go:
		````go
		package main
Expand Down