一. 列表
1. 查
names = "YanFeixu WuYifan"names_1 = ["YanFeixu"," WuYifan","Zhangsan"]print(names)print(names_1[0],names_1[2])print(names_1[1:2]) # 切片print(names_1[2]) # 切片print(names_1[-1]) # 切片print(names_1[-2:]) # 切片
names_1 = ["YanFeixu"," WuYifan","Zhangsan"]names_1.append("zhansgan") # 新增names_1.insert(1,"Lisi") # 插入索引为1的前面print(names_1) 
3. 改
names_1 = ["YanFeixu"," WuYifan","Zhangsan"]names_1[2] = "Zhuli"print(names_1)
names_1 = ["YanFeixu"," WuYifan","Zhangsan","Zhuli"]names_1.remove("Zhangsan") # 删除的第一种方法del names_1[1] # 删除的第二种方法names_1.pop() # 默认删除最后一个print(names_1) 
# 方法names_1 = ["YanFeixu"," WuYifan","Zhangsan","Zhuli","Zhuli"]print(names_1.index("Zhuli")) # 序号print(names_1 [names_1.index("Zhuli")]) # 把Zhuli打印下来print(names_1.count("Zhuli")) # 统计一下有几个Zhulinames_1.reverse() # 把列表反转，也就是把序号颠倒print(names_1)names_1.sort() # 把列表按字母排序，先是符号，再是数字，再是字母print(names_1)names_2 = [1,2,3,4] # 扩展的方法，列表name_1和name_2合并了names_1.extend(names_2)print(names_1,"+",names_2) 
import copy# 方法names_1 = ["YanFeixu"," WuYifan","Zhangsan",["Wangwu","Zhouliu"],"Zhuli","Zhuli"]names_2 = names_1.copy() # 浅copy，只复制第一层，它变我不变（因为已经复制下来了），其余层它变我也变，外面是第一层**print(names_1)names_1[2] = "张三"names_1[3][0] = "王五"print(names_2)names_1[2] = "张三"names_3 = copy.deepcopy(names_1) # 深copy，就是克隆一份，具有自己单独的内存地址，两者完全不相干设，他变我不变print(names_3)
二、元组
元组其实跟列表差不多，也是存一组数，只不是它一旦创建，便不能再修改，所以又叫只读列表
语法names = ("YanFeixu","jack","eric")
小福利：
python中三引号的作用：
1 多行注释print('Hello world!')"""这是一个多行注释注释,###""" 2 按照原格式输出文本（也就是格式化输出）
a = """ ###pandas features a number of fnctions for reading 'tabular data' as a DataFrame object. Such as , read_csv ...&&&；；；'''hello''' """print(a)
输出结果：
3.格式化输出的案例：
案例（1）name = input("name:")age = input("age:")job = input("job")# 此处的三引号是格式化输出，不是注释！info = '''------info of %s------Name: %sAge : %sJob: %s''' % （name,name,age,job）print(info) 输出结果：
name:hzangsanage:12job:da------info of hzangsan------Name: hzangsanAge : 12Job: da
案例（2）
name_1 = input("name_1:")age_1 = input("age_1:")job_1 = input("job_1:")info_1 = '''-----info of {name}------Name: {name}Age: {age}Job: {job}'''.format(name = name_1, age = age_1, job = job_1)print(info_1) 输出结果：
name_1:zhansan
age_1:12 job_1:nishi -----info of zhansan------ Name: zhansan Age: 12 Job: nishi此处有一个关于format的知识点：
username = input("username:")print ("welcome {name} to our school".format(name = username )) 输出结果：
