parameters: (self, vt_symbol: str)
return_statement: return self.contracts.get(vt_symbol, None)
docstring: Get contract data by vt_symbol.
docstring_summary: Get contract data by vt_symbol.
docstring_tokens: Get contract data by vt_symbol .
function: def get_contract(self, vt_symbol: str) -> Optional[ContractData]:
          """
          Get contract data by vt_symbol.
          """
          return self.contracts.get(vt_symbol, None)
function_tokens: def get_contract ( self , vt_symbol : str ) -> Optional [ ContractData ] : return self . contracts . get ( vt_symbol , None )