python learning record - list

name_list = ['alex', '65brother', 'tenglan']
print(name_list)
name_list.insert(2, '66brother')
name_list.insert(2, '66brother')
name_list.insert(2, '66brother')
name_list.insert(2, '66brother')
print(name_list)
for i in range(name_list.count('66brother ' )): 
    name_list.remove ( ' 66brother ' )
 Print (NAME_LIST) 

Li = List ([. 1, 2,. 3 ])
 Print (li.pop ())
 # return value of the removed elements 
Print (Li)
 Print ( li.append (. 4 )) 
# None return value
 Print (Li) 
li.reverse () 
Print (Li) 
li.sort () 
Print (Li)