Question

Two words form a "metathesis pair" if you can transform one into the other by swapping...

Two words form a "metathesis pair" if you can transform one into the other by swapping two letters; for example, "converse" and "conserve". Write a function metathesis(word1, word2) to check if the two words can form a metathesis pair. The function will return a Boolean value (True or False). python code

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Answer #1 
def metathesis(word1, word2):
    are_anagrams = True
    if len(word1)==len(word2):
        for x in word1:
            # Checking count of character x is same
            if word1.count(x) != word2.count(x):
                are_anagrams = False
        for x in word2:
            # Checking count of character x is same
            if word1.count(x) != word2.count(x):
                are_anagrams = False
        if are_anagrams:
            count = 0
            for i in range(len(word1)):
                if word1[i]!=word2[i]:
                    count += 1
            return count==2
    return False


# Testing
print(metathesis("converse","conserve"))

True

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