24 lines
736 B
Python
24 lines
736 B
Python
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import re
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def first_word(text: str) -> str:
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"""
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returns the first word in a given text.
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"""
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s = re.findall(r"(\b[a-zA-Z']+)", text)
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return s[0]
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if __name__ == '__main__':
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print("Example:")
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print(first_word("Hello world"))
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# These "asserts" are used for self-checking and not for an auto-testing
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assert first_word("Hello world") == "Hello"
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assert first_word(" a word ") == "a"
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assert first_word("don't touch it") == "don't"
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assert first_word("greetings, friends") == "greetings"
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assert first_word("... and so on ...") == "and"
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assert first_word("hi") == "hi"
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assert first_word("Hello.World") == "Hello"
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print("Coding complete? Click 'Check' to earn cool rewards!")
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