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Integer to Word-Form String
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Integer to Word-Form String

MediumPython

Problem

Given a number as an integer, return that number as a string representing the word-form of the number.

Implement number_to_words(num). Return lowercase English words separated by single spaces, with no hyphens or extra spaces. Support values from -2^31 through 2^31 - 1; negative values must begin with negative.

Constraints

  • -2^31 <= num <= 2^31 - 1
  • Return lowercase words separated by exactly one space
  • Do not use hyphens
  • Do not include scale words for zero-valued chunks

Function Signature

def number_to_words(num):
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