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# Runtime: 38 ms (Top 74.6%) | Memory: 16.44 MB (Top 25.3%)
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class Solution:
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    def removeComments(self, source: List[str]) -> List[str]:
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        ans, inComment = [], False
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        new_str = ""
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        for c in source:
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            if not inComment:
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                new_str = ""
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            i, n = 0, len(c)
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            # inComment, we find */
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            while i < n:
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                if inComment:
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                    if c[i : i + 2] == "*/" and i + 1 < n:
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                        i += 2
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                        inComment = False
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                        continue
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                    i += 1
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                # not in Comment, we find /* // and common character
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                else:
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                    if c[i : i + 2] == "/*" and i + 1 < n:
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                        i += 2
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                        inComment = True
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                        continue
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                    if c[i : i + 2] == "//" and i + 1 < n:
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                        break
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                    new_str += c[i]
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                    i += 1
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            if new_str and not inComment:
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                ans.append(new_str)
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        return ans