EasyNLPnlp-008

Character N-grams

Problem

Return all character n-grams of text as a list of strings, in order.

If n <= 0 or n > len(text), return an empty list.

Hint

Slide a window of width n across the string from left to right.

case 1

in: ["hello",2]

expected: ["he","el","ll","lo"]

case 2

in: ["abc",3]

expected: ["abc"]

case 3

in: ["abc",4]

expected: []

case 4

in: ["a",1]

expected: ["a"]

case 5

in: ["cat",0]

expected: []

Starter codePython

def char_ngrams(text, n):
    # Your code here
    pass

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