def first_word(text: str) -> str:
"""
returns the first word in a given text.
"""
del_conmma = text.replace(',', ' ')
del_dot = del_conmma.replace('.', ' ')
replaced_text = del_dot
text = replaced_text.split(' ')
text = ([s for s in text if s != ''])
return text[0]
if __name__ == '__main__':
print("Example:")
print(first_word("Hello world"))
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!")