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20 lines
622 B
20 lines
622 B
7 years ago
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# For mapping a lowercase character to a prime number.
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# Useful for checking whether two strings are anagram or permutations of each other.
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primes = {
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'a': 2, 'b': 3, 'c': 5, 'd': 7, 'e': 11, 'f': 13,
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'g': 17, 'h': 19, 'i': 23, 'j': 29, 'k': 31, 'l': 37,
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'm': 41, 'n': 43, 'o': 47, 'p': 53, 'q': 59, 'r': 61,
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's': 67, 't': 71, 'u': 73, 'v': 79, 'w': 83, 'x': 89,
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'y': 97, 'z': 101, ' ': 103,
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}
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import functools
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def mul(seq):
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return functools.reduce(lambda a, b: a * b, seq, 1)
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def prime_value_of_string(string):
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return mul([primes[c] for c in string])
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print(prime_value_of_string('abcde'))
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