10 lines
267 B
Python
10 lines
267 B
Python
def is_pangram(st):
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letters_used = []
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alphabet = set("abcdefghijklmnopqrstuvwxyz")
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for letter in st.lower():
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if letter in alphabet:
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letters_used.append(letter)
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if set(letters_used) == alphabet:
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return True
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return False
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