LeetCode/8_string_to_integer at main · ndurve06/LeetCode · GitHub

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class Solution:
    def myAtoi(self, s) -> int:
        s = s.strip()
        if not s:
            return 0

        ints = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"]
        str_result = ""
        sign = 1

        if s[0] == "+" or s[0] == "-":
            if s[0] == "-":
                sign = -1
            s = s[1:]

        for i in range(len(s)):
            if s[i] in ints:
                str_result += s[i]
            else:
                break

        if str_result == "":
            return 0

        result = int(str_result) * sign

        if result < -2**31:
            return -2**31
        if result > 2**31 - 1:
            return 2**31 - 1

        return result

testing = Solution()
print(testing.myAtoi("1337c0d3"))

#runtime: 0ms, beats 100%
#memory: 19.29MB, beats 83.91%