parameters: (self, name, value)
return_statement: return self.execute_command('ZRANK', name, value)
docstring: Returns a 0-based value indicating the rank of ``value`` in sorted set
          ``name``
docstring_summary: Returns a 0-based value indicating the rank of ``value`` in sorted set
          ``name``
docstring_tokens: Returns a 0 - based value indicating the rank of value in sorted set name
function: def zrank(self, name, value):
          """
          Returns a 0-based value indicating the rank of ``value`` in sorted set
          ``name``
          """
          return self.execute_command('ZRANK', name, value)
function_tokens: def zrank ( self , name , value ) : return self . execute_command ( 'ZRANK' , name , value )