message: Update longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit.py
diff: # Time: O(n)
  # Space: O(n)
  +import collections
  +
  +
  class Solution(object):
  def longestSubarray(self, nums, limit):
  """
  @@ -28,6 +31,9 @@ class Solution(object):
  # Time: O(n)
  # Space: O(n)
  +import collections
  +
  +
  class Solution2(object):
  def longestSubarray(self, nums, limit):
  """
  