Python基础(list与tuple)
作者:互联网
#list 类似于数组的概念 classmates = ['傻狗1','傻狗2','傻狗3'] # print(classmates) # print(len(classmates)) # print(classmates[0]) # print(classmates[-1]) # classmates.append('傻狗4') # classmates.insert(1,'傻狗5') # classmates.pop(-1) # classmates[1] = '傻狗6' # print(classmates) #tuple tuple和list非常类似,但是tuple一旦初始化就不能修改 # classmates = ('傻狗1','傻狗2','傻狗3') #classmates = (1,)#只有1个元素的tuple定义时必须加一个逗号,不加表示括号会按小括号计算 #print(classmates) #tuple所谓的“不变”是说,tuple的每个元素,指向永远不变。 t = ('a','b',['A','B']) t[2][0] = 'X' t[2][1] = 'Y' print(t)
标签:classmates,tuple,Python,list,小括号,print,傻狗 来源: https://www.cnblogs.com/xingxingclassroom/p/10853015.html