code: import stripe
  stripe.api_key = "sk_test_your_key"
  
  stripe.InvoiceItem.retrieve(
    "ii_1LSe4Q2eZvKYlo2CYN9PE9sv",
  )
  '''Response {
    "id": "ii_1LSe4Q2eZvKYlo2CYN9PE9sv",
    "object": "invoiceitem",
    "amount": 300,
    "currency": "usd",
    "customer": "cus_8TEMHVY5moxIPI",
    "date": 1659519654,
    "description": "My First Invoice Item (created for API docs)",
    "discountable": true,
    "discounts": [],
    "invoice": null,
    "livemode": false,
    "metadata": {},
    "period": {
      "end": 1659519654,
      "start": 1659519654
    },
    "price": {
      "id": "price_1LScCX2eZvKYlo2C1Z9zPyXF",
      "object": "price",
      "active": true,
      "billing_scheme": "per_unit",
      "created": 1659512469,
      "currency": "usd",
      "custom_unit_amount": null,
      "livemode": false,
      "lookup_key": null,
      "metadata": {},
      "nickname": null,
      "product": "prod_MAy8UvSA0uRRju",
      "recurring": null,
      "tax_behavior": "unspecified",
      "tiers_mode": null,
      "transform_quantity": null,
      "type": "one_time",
      "unit_amount": 300,
      "unit_amount_decimal": "300"
    },
    "proration": false,
    "quantity": 1,
    "subscription": null,
    "tax_rates": [],
    "test_clock": null,
    "unit_amount": 300,
    "unit_amount_decimal": "300"
  }'''
nl: Retrieve an invoice itemRetrieves the invoice item with the given ID.ParametersNo parameters.ReturnsReturns an invoice item if a valid invoice item ID was provided. Raises an error otherwise