Function bigrams

pattern/metrics.py:280–281

(s)

        based on the number of shared bigrams, e.g., "night" and "nacht" have one common bigram "ht".
    """
    def bigrams(s):
        return set(s[i:i+2] for i in range(len(s)-1))
    nx = bigrams(string1)
    ny = bigrams(string2)
    nt = nx.intersection(ny)