parameters: (self, nestedList)
docstring: Initialize your data structure here.
          :type nestedList: List[NestedInteger]
docstring_summary: Initialize your data structure here.
          :type nestedList: List[NestedInteger]
docstring_tokens: Initialize your data structure here . : type nestedList : List [ NestedInteger ]
function: def __init__(self, nestedList):
          """
          Initialize your data structure here.
          :type nestedList: List[NestedInteger]
          """
          self.stack = nestedList[::-1]
function_tokens: def __init__ ( self , nestedList ) : self . stack = nestedList [ : : - 1 ]