为什么输出L2、L3时,后面插入的字符串还是重复插入,明明设置不是一个队列内?
# Enter a code
L=['Alice','Bob','Candy','David','Ellena']
L1 = L
L1.append('Gen')
L2 = L
L1.append('Phoebe')
L1.append('Zero')
print(L1)
L2.append('Zero')
L2.insert(6,'Phoebe')
print(L2)
L3=['Gen','Phoebe','Zero']
print(L+L3)