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8-string-to-integer-atoi
- string-to-integer-atoi.py

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`‎8-string-to-integer-atoi/string-to-integer-atoi.py`

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	`1`	`+class Solution:`
	`2`	`+ def myAtoi(self, s: str) -> int:`
	`3`	`+ # clean`
	`4`	`+ s= s.lstrip()`
	`5`	`+ sign = 1`
	`6`	`+`
	`7`	`+ # read sign`
	`8`	`+ if s and s[0]== '-':`
	`9`	`+ sign = -1`
	`10`	`+ s=s[1:]`
	`11`	`+ elif s and s[0] == '+':`
	`12`	`+`
	`13`	`+ s = s[1:]`
	`14`	`+`
	`15`	`+ print(s)`
	`16`	`+ index = 0`
	`17`	`+`
	`18`	`+`
	`19`	`+ # read int`
	`20`	`+ for i in range(len(s)):`
	`21`	`+ if not s[i].isdigit():`
	`22`	`+ index = i`
	`23`	`+ break`
	`24`	`+ index = len(s)`
	`25`	`+ n = s[:index]`
	`26`	`+`
	`27`	`+ if n:`
	`28`	`+ n = int(n) * sign`
	`29`	`+ if (n > (2**31)-1):`
	`30`	`+ n = (2**31) -1`
	`31`	`+`
	`32`	`+ # print("if")`
	`33`	`+ elif (n < -(2 ** 31)):`
	`34`	`+ n = -(2 ** 31)`
	`35`	`+ # print("else")`
	`36`	`+ return n`
	`37`	`+`
	`38`	`+ return 0`

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