goods = {'apple': 5, 'banana': 3, 'orange': 4, 'watermelon': 10}balance = shopping_list = []while True: salary = input('请输入您的工资：') if salary == 'q': break try: salary = int(salary) except ValueError: print('请输入数字！') continue if salary <= : print('工资必须大于！') continue print('可购买的物品：') for name, price in goods.items(): print(name, price) choice = input('请选择要购买的物品（输入 q 退出）：') if choice == 'q': break if choice not in goods: print('无效的选择！') continue price = goods[choice] if salary < price: print('工资不足！') continue balance += price shopping_list.append(choice) print('购买成功！') print('当前余额：', salary - price)print('购物清单：')for item in shopping_list: print(item)print('余额：', balance)帮我按照python的格式输出到成一个完整的py脚本

goods = {'apple': 5, 'banana': 3, 'orange': 4, 'watermelon': 10}
balance =
shopping_list = []

while True:
salary = input('请输入您的工资：')
if salary == 'q':
break
try:
salary = int(salary)
except ValueError:
print('请输入数字！')
continue
if salary <= :
print('工资必须大于！')
continue
print('可购买的物品：')
for name, price in goods.items():
print(name, price)
choice = input('请选择要购买的物品（输入 q 退出）：')
if choice == 'q':
break
if choice not in goods:
print('无效的选择！')
continue
price = goods[choice]
if salary < price:
print('工资不足！')
continue
balance = price
shopping_list.append(choice)
print('购买成功！')
print('当前余额：', salary - price)

print('购物清单：')
for item in shopping_list:
print(item)
print('余额：', balance)