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32 lines
872 B
32 lines
872 B
6 years ago
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def funnel_naive(string1, string2):
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"""
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detect if the second string can be made from the first by removing one letter
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"""
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if len(string1) - len(string2) != 1:
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return False
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if string2 in string1:
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return True
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miss = 0
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for i, letter2 in enumerate(string2):
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if letter2 != string1[i]:
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if miss > 1:
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return False
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miss += 1
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if letter2 == string1[i + 1]:
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i += 1
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else:
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return False
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return True
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funnel = lambda word, other: other in [w[:i] + w[i+1:] for i, w in enumerate([word] * len(word))]
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print(funnel_naive("leave", "leav"))
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print(funnel("leave", "eave"))
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print(funnel("reset", "rest"))
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print(funnel("dragoon", "dragon"))
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print(funnel("eave", "leave"))
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print(funnel("sleet", "lets"))
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print(funnel("skiff", "ski"))
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