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class Solution:
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    def reverseWords(self, s: str) -> str:
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        s = s + " "
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        l = len(s)
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        t = ""
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        w = ""
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        for i in range(l):
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            if s[i] != " ":
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                t = s[i] + t  # t stores the word in reverse order
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            else:
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                # w stores the reversed word in the same order
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                w = (
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                    w + t + " "
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                )  # could have used .join() function and not write .strip()
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                t = ""  # value of t is null so that it won't affect upcoming words
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        return w.strip()  # removes extra whitespace