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First solution in Clear category for Popular Words by Dragorune
import re
def popular_words(text: str, words: list) -> dict:
frequency ={}
for x in words:
frequency[x] = len(re.findall(rf"\b{x}\b", text, re.IGNORECASE))
return frequency
if __name__ == '__main__':
print("Example:")
print(popular_words('''
When I was One
I had just begun
When I was Two
I was nearly new
''', ['i', 'was', 'three', 'near']))
# These "asserts" are used for self-checking and not for an auto-testing
assert popular_words('''
When I was One
I had just begun
When I was Two
I was nearly new
''', ['i', 'was', 'three', 'near']) == {
'i': 4,
'was': 3,
'three': 0,
'near': 0
}
print("Coding complete? Click 'Check' to earn cool rewards!")
March 11, 2020
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