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Merge pull request youngyangyang04#2333 from qiu121/master

📝 Update 0383.赎金信.md with python3 && 📝 Update 0344.反转字符串.md with python3

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`@@ -250,6 +250,20 @@ class Solution:`
`250`	`250`	`s[:] = [s[i] for i in range(len(s) - 1, -1, -1)]`
`251`	`251`
`252`	`252`	```
	`253`	`+`
	`254`	`+(版本七) 使用reverse()`
	`255`	`+`
	`256`	+```python
	`257`	`+class Solution:`
	`258`	`+ def reverseString(self, s: List[str]) -> None:`
	`259`	`+ """`
	`260`	`+ Do not return anything, modify s in-place instead.`
	`261`	`+ """`
	`262`	`+ # 原地反转,无返回值`
	`263`	`+ s.reverse()`
	`264`	`+`
	`265`	+```
	`266`	`+`
`253`	`267`	`### Go:`
`254`	`268`
`255`	`269`	```Go

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`@@ -214,6 +214,19 @@ class Solution:`
`214`	`214`	`return all(ransomNote.count(c) <= magazine.count(c) for c in set(ransomNote))`
`215`	`215`	```
`216`	`216`
	`217`	`+(版本六)使用count(简单易懂)`
	`218`	`+`
	`219`	+```python3
	`220`	`+class Solution:`
	`221`	`+ def canConstruct(self, ransomNote: str, magazine: str) -> bool:`
	`222`	`+ for char in ransomNote:`
	`223`	`+ if char in magazine and ransomNote.count(char) <= magazine.count(char):`
	`224`	`+ continue`
	`225`	`+ else:`
	`226`	`+ return False`
	`227`	`+ return True`
	`228`	+```
	`229`	`+`
`217`	`230`	`### Go:`
`218`	`231`
`219`	`232`	```go

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