wen python迭代器和生成器
iter()用于创建迭代器，next()用于输出迭代器的下一个元素：
names = ["微湘菜", "小湘菜", "大湘菜", "巨湘菜"]
iterName = iter(names)
for i in range(4):
print(next(iterName))
iter()用于创建迭代器，next()用于输出迭代器的下一个元素：
names = ["微湘菜", "小湘菜", "大湘菜", "巨湘菜"]
iterName = iter(names)
for i in range(4):
print(next(iterName))
