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#!/usr/bin/env python3
import sys
def find_anagrams(words: list) -> list:
# Sort each word alphabetically, ignoring case
sorted_words = [''.join(sorted(word.lower())) for word in words]
anagrams = 0
for idx in range(1, len(words)):
if sorted_words[idx-1] == sorted_words[idx]:
# The word at this position is an anagram of the previous word
anagrams += 1
# Return the number of words that aren't an anagram
return len(words) - anagrams
def main():
result = find_anagrams(sys.argv[1:])
print(result)
if __name__ == '__main__':
main()
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