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