message: Update rearrange-spaces-between-words.py
diff: @@ -27,7 +27,7 @@ class Solution(object):
  i += 1
  has_word = True
  if has_word:
  - left += 1
  + left += 1 # keep one space
  i += 1
  # rearrange all the spaces to the left
  @@ -42,6 +42,6 @@ class Solution(object):
  i -= 1
  has_word = True
  if has_word:
  - right -= equal_count
  + right -= equal_count # keep equal_count spaces
  i -= 1
  return "".join(text)
  