code: def __init__(self, action: str, totalQuantity: float, **kwargs):
      Order.__init__(
          self,
          orderType="MKT",
          action=action,
          totalQuantity=totalQuantity,
          **kwargs,
      )
  
imports: from dataclasses import dataclass, field
  from typing import ClassVar, FrozenSet, List, NamedTuple
  from eventkit import Event
  from .contract import Contract, TagValue
  from .objects import Fill, SoftDollarTier, TradeLogEntry
  from .util import UNSET_DOUBLE, UNSET_INTEGER, dataclassNonDefaults
label_desc: Use image node_id 1 to create a new MarketOrder object from inherited base classes: Order with example: obj = MarketOrder(action, totalQuantity)