input: from typing import List
  
  def bank_account_operations(transactions: List[str], balances: List[float]) -> List[float]:
      """
      Simulates bank account operations based on a list of transactions. Each transaction is a string that can be either "deposit" or "withdraw". The corresponding amount for each transaction is provided in the list `balances`. The function returns a list of the resulting balances after each operation.
      
      >>> bank_account_operations(["deposit", "withdraw", "deposit"], [100.0, 50.0, 200.0])
      [100.0, 50.0, 250.0]
      >>> bank_account_operations(["withdraw", "deposit"], [75.0, 30.0])
      [-25.0, 5.0]
      """
      balance = 0.0
      results = []
      for operation, amount in zip(transactions, balances):
          if operation == "deposit":
              balance += amount
          elif operation == "withdraw":
              balance -= amount
          results.append(balance)
      return results
output:     balance = 0.0
      results = []
      for operation, amount in zip(transactions, balances):
          if operation == "deposit":
              balance += amount
          elif operation == "withdraw":
              balance -= amount
          results.append(balance)
      return results