lisName = ["张三丰","李四","王麻子","饭桶"]
##遍历列表中所有元素
print("*"*20)
for obj in lisName:
print(obj)
print("*"*20)
##通过 下标 (索引获取值)
for i in range(0, len(lisName)):
print("第%d -> %s"%(i,lisName[i]))
标题 元素互换
a = input("请输入a:")
b = input("请输入b:")
print("a = %s;b= %s"%(a,b))
c= a
a= b
b =c
print("a = %s;b = %s"%(a,b))