parameters: (self, key='_flash')
return_statement: return self.pop(key, [])
docstring: Returns a flash message. Flash messages are deleted when first read.
  
          :param key:
              Name of the flash key stored in the session. Default is '_flash'.
          :returns:
              The data stored in the flash, or an empty list.
docstring_summary: Returns a flash message. Flash messages are deleted when first read.
docstring_tokens: Returns a flash message . Flash messages are deleted when first read .
function: def get_flashes(self, key='_flash'):
          """Returns a flash message. Flash messages are deleted when first read.
  
          :param key:
              Name of the flash key stored in the session. Default is '_flash'.
          :returns:
              The data stored in the flash, or an empty list.
          """
          return self.pop(key, [])
function_tokens: def get_flashes ( self , key = '_flash' ) : return self . pop ( key , [ ] )