import copy
 
#對(duì)列表的增刪改
numbers_Ori = ['one', 'two', 'three', 'four']
print('origin')
print(numbers_Ori)
 
#deepcopy()是copy包里的方法，作用是將一個(gè)列表完全復(fù)制一份，賦值給指定新列表
#若只是用numbers = numbers_Ori來(lái)賦值則兩個(gè)變量名將指向同一內(nèi)存區(qū)域，修改任意一個(gè)后另一個(gè)也會(huì)隨之變動(dòng)
 
#增
numbers_2 = copy.deepcopy(numbers_Ori)
numbers_2.append('five')
print('append//////////////////')
print(numbers_2)
 
numbers_3 = copy.deepcopy(numbers_Ori)
numbers_3.insert(2, 'two and_a_half')
print('insert////////////////////')
print(numbers_3)
 
#刪
numbers_4 = copy.deepcopy(numbers_Ori)
del numbers_4[2]
print('del///////////////////////')
print(numbers_4)
 
numbers_5 = copy.deepcopy(numbers_Ori)
num=numbers_5.pop(3)
print('pop////////////////////////')
print(numbers_5)
print('picked ' + num + ' up')
 
numbers_6 = copy.deepcopy(numbers_Ori)
numbers_6.remove('one')
print('remove/////////////////////')
print(numbers_6)
 
#改
numbers_7 = copy.deepcopy(numbers_Ori)
numbers_7[0] = '1'
print('改/////////////////////////')
print(numbers_7)
 
#可嘗試將每一個(gè)"copy.deepcopy(numbers_Ori)"換成單獨(dú)的"numbers_Ori"嘗試賦值拷貝
#或換成"numbers_Ori.copy()"嘗試淺拷貝

numbers = ['one', 'two', 'three', 'four', 'five', ['six', 'seven', ['eight', 'nine']]]
numbers_1 = numbers.copy()
numbers_1.append('add')#在一維列表的末尾添加字符串
print(numbers_1)
print(numbers)
numbers = ['one', 'two', 'three', 'four', 'five', ['six', 'seven', ['eight', 'nine']]]
numbers_1 = numbers.copy()
numbers_1[-1].append('add')#在二維列表的末尾添加字符串
print(numbers_1)
print(numbers)
numbers = ['one', 'two', 'three', 'four', 'five', ['six', 'seven', ['eight', 'nine']]]
numbers_1 = numbers.copy()
numbers_1[-1][-1].append('add')#在三維列表的末尾添加字符串
print(numbers_1)
print(numbers)