Answer:
def borrow_loan(client_accounts, valid_client, loan_amount):
if valid_client in client_accounts:
# Check if the client's account balance is sufficient for the loan amount
if client_accounts[valid_client] >= loan_amount:
# Deduct the loan amount from the client's account balance
client_accounts[valid_client] -= loan_amount
print("Loan approved. Deducted {} from {}'s account.".format(loan_amount, valid_client))
else:
print("Insufficient funds in {}'s account for the loan.".format(valid_client))
else:
print("{} is not a valid client.".format(valid_client))