Creating an order

Before we can create an order, we need to catch up on previous chapters and set up some prerequisites. First, let’s create a basic Account class that we may have populated with information from our custodian API in Chapters 10 and 11:

class AccountType():
  def __init__(self, value: str):
    if not value in("Taxable", "Roth IRA", "Traditional IRA"):
      raise ValueError("Allowed types: Taxable, Roth IRA, Traditional IRA")
    self.value = value
  def __eq__(self, other):
      return self.value == other.value
class AccountStatus():
  def __init__(self, value: str):
    if not value in("PENDING", "IN_REVIEW", "APPROVED", "REJECTED", "SUSPENDED"):
      raise ValueError("Allowed statuses...