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Merge pull requestyoungyangyang04#418 from jojoo15/patch-36

优化 0738.单调递增的数字 python3

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Lines changed: 7 additions & 10 deletions

Original file line number	Diff line number	Diff line change
`@@ -147,18 +147,15 @@ class Solution {`
`147`	`147`
`148`	`148`
`149`	`149`	`Python：`
`150`		-```python
	`150`	+```python3
`151`	`151`	`classSolution:`
`152`	`152`	`defmonotoneIncreasingDigits(self,n:int) ->int:`
`153`		`- strNum=list(str(n))`
`154`		`- flag=len(strNum)`
`155`		`-for iinrange(len(strNum)-1,0,-1):`
`156`		`-ifint(strNum[i])<int(strNum[i-1]):`
`157`		`- strNum[i-1]=str(int(strNum[i-1])-1)`
`158`		`- flag= i`
`159`		`-for iinrange(flag,len(strNum)):`
`160`		`- strNum[i]='9'`
`161`		`-returnint("".join(strNum))`
	`153`	`+ a=list(str(n))`
	`154`	`+for iinrange(len(a)-1,0,-1):`
	`155`	`+ifint(a[i])<int(a[i-1]):`
	`156`	`+ a[i-1]=str(int(a[i-1])-1)`
	`157`	`+ a[i:]='9'* (len(a)- i)#python不需要设置flag值，直接按长度给9就好了`
	`158`	`+returnint("".join(a))`
`162`	`159`	```
`163`	`160`
`164`	`161`	`Go：`

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