Character Bigram Set Size

Problem

The set of character bigrams captures character-level overlap robust to word order.

Given text, return the number of distinct length-2 substrings.

Hint

Use a set to deduplicate the bigrams.

case 1

in: ["abab"]

expected: 2

case 2

in: ["abc"]

expected: 2

case 3

in: ["aa"]

expected: 1

Starter codePython

def character_bigram_set_size(text):
    # Your code here
    pass

3 test cases · run your code against them in the editor