Python---- usage of lists, tuples, ranges

# #li=[123,'Old Boy',True,[1,2,3],{'name':'alex'},(1,2,3)] 
# #Lists are called container data types . 
# l1=['wusir',True,'alex','laonanhai','ritian','taibai'] 
# #According to the index 
# print(l1[0]) 
# print(l1[1],type(l1[ 1])) 
# #According to the slice value 
# print(l1[:3]) 
# print(l1[2:]) 
# print(l1[::2]) # #Add 
, delete, modify, check and other methods 

#add# append 
Append 
# print(l1.append('Goddess')) 
# l1.append(123) 
# l1.append([1,2,1111]) 
# print(l1) 
# name_list=['wusir','alex', 'laonanhaihai','ritian','taibai'] 
# while True: 
# username=input('Please enter the name of the new employee: Q or q to exit').strip() 
# if username.upper()=='Q' :


# print(name_list) 


#insert insert 
# l1.insert(1,'Nezha') 
# print(l1) 

#extend iteratively append 
# l1.extend('abcd') 
# l1.extend([1,2,3 ,4,'abc']) 
# print(l1) 

#delete# 
pop Delete according to the index, there is a return value 
# ret=l1.pop(0) 
# print(ret) 
# print(l1) 
# l1=['wusir ',True,'alex','laonanhai','ritian','taibai'] 
#remove Delete by element 
# 
# l1.remove('alex') 
# print(l1) 

#clear Clear the list 
# l1.clear() 
# print(l1) 

#1. Delete list at memory level 
# del l1 
# print(l1) 
#2. Delete by index 
# del l1[2] 
# print(l1) 
#3. Slice delete + step. 
# l1=['wusir',True,'alex','
# del l1[:-1]     #切片顾头不顾腚
# print(l1)
# del l1[:3:2]
# print(l1)

#改
#1，按照索引去改。
# l1[0]='肖锋'
# print(l1)
# l1[-1]='男神'
# print(l1)
#2.按照切片去改，先将切片的区域内的内容全部删除，在迭代着添加（将字符串中的每个元素添加到里面）内容。
#l1=['wusir',True,'alex','laonanhai','ritian','taibai']
#l1[:3]='范德萨发给ghfkhgh，[1111,2222,3333,4444]'
#l1[:3]=[1111,2222,3333,4444]
#print(l1)

#查 按照索引切片去查
#for 循环
# for i in l1:
#     print(i)
#其他操作方法：
#len 个数
# cou=len(l1)
# print(cou)
#count 元素个数
# print(l1.count('taibai'))
#index 通过元素找索引
# print(l1.index('alex',1))   #(切片从3找到最后)
# l2=[1,3,5,9,7,6,2,4]
#sort 从小到大，正序排序
# l2.sort()
# print(l2)
#sort 从大到小，倒序排序
# l2.sort(reverse=True)
# print(l2)
#翻转  reverse
# l2.reverse()
# print(l2)

l1=['wusir','alex',[99,' taibai','98'],21]
#1.将wusir变成全部的大写。
l1[0]='WUSIR'
print(l1)
l1[0]=l1[0].upper()
print(l1)
#2.将'taibai'变成首字母大写，其他字母小写，放回原处。
l1[2][1]=l1[2][1].strip().capitalize()
print(l1)
#3.用数字相加将99变成字符串的'100'
l1[2][0]=str(l1[2][0]+1)
print(l1)
#4.字符串的'98'变成数字的 100
l1[2][2]=int(l1[2][2])+2
print(l1)

#元组
#元组只读列表，不能增删改 只能查询
tu=(11,22,33,44,55)
#索引，切片，步长
print(tu[0])
print(tu[:3:2])
for i in tu:
    print(i)

#index  len count
tu1=('wusir','alex',[22,44,'taibai'])
tu1[-1].append('女神')  #[22,44,'taibai']列表一个整体作为元组的一个元素
print(tu1)

l2=[1,('wusir','alex',[22,44,'taibai'],)]
l2.clear()
print(l2)

#range 当做自定义的数字范围列表
#满足顾头不顾腚，可以加步长，与for 循环结合使用。
for i in range(0,101):
    print(i)
for i in range(11):
    print(i)
for i in range(0,101,3):
    print(i)
for i in range(10,0,-1):
    print(i)
l1=[22,33,33,33,66,77,88,99]
for i in l1:
    print(l1.index(i))
for i in range(len(l1)):
    print(i)
l1=['wusir','alex',[99,' taibai','98'],21]
for i in l1:
    if type(i)==list:
        for j in i:
            print(j)
    else:print(i)