EasyNLPnlp-236

SentencePiece Whitespace Marker

Problem

Apply SentencePiece-style whitespace marking to text. Prepend the marker '▁' (U+2581) and replace every space with the same marker.

Return the transformed string.

Hint

Prepend once, then replace; an empty string becomes the marker alone.

case 1

in: ["hello world"]

expected: "▁hello▁world"

case 2

in: [""]

expected: "▁"

case 3

in: ["a b"]

expected: "▁a▁▁b"

case 4

in: [" leading"]

expected: "▁▁leading"

case 5

in: ["no"]

expected: "▁no"

Starter codePython

def sentencepiece_whitespace(text):
    # Your code here
    pass

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