Python List

my_list = list()
my_list.append(12)
print ("my_list.append(12)")
print (my_list)

my_list.extend([1,2,3,4])
print ("my_list.extend([1,2,3,4])")
print (my_list)

my_list.remove(1)
print ("my_list.remove(1)")
print (my_list)

del my_list[0]
print ("del my_list[0]")
print (my_list)

my_list.append(12)                                                                                                      

[12]                                                                                                                    

my_list.extend([1,2,3,4])                                                                                               

[12, 1, 2, 3, 4]                                                                                                        

my_list.remove(1)                                                                                                       

[12, 2, 3, 4]                                                                                                           

del my_list[0]                                                                                                          

[2, 3, 4]                                                                                                               

                                                                                                                        

                                                                                                                        

...Program finished with exit code 0                                                                                    

======== RESTART: D:/數值分析/PYTHON/others/oth-1.py ============
my_list.append(12)
[12]
my_list.extend([1,2,3,4])
[12, 1, 2, 3, 4]
my_list.remove(1)
[12, 2, 3, 4]
del my_list[0]
[2, 3, 4]
>>>