Python中遍历列表有以下几种方法：
一、for循环遍历
lists = [m1, 1900, m2, 2000]
for item in lists:
print(item)
lists = [m1, 1900, m2, 2000]
for item in lists:
item = 0;
print(lists)
运行结果：
['m1', 1900, 'm2', 2000]
二、while循环遍历：
lists = [m1, 1900, m2, 2000]
count = 0
while count < len(lists):
print(lists[co
