1、append()方法:向列表的尾部添加一个新的元素
2、extend()方法:只接受一个列表作为参数,并将该参数的每个元素都添加到原有的列表中
实例如下:
# encoding:utf-8
def changeextend(str):
mylist.extend([40,50,60]);
print("print extend mylist:",mylist)
return
def changeappend(str):
mylist.append( [7,8,9] )
print("print append mylist:",mylist)
return
mylist = [10,20,30]
print("print string mylist:", mylist)
changeextend( mylist )
print("print string mylist:",mylist)
changeappend( mylist )
输出结果:
print string mylist: [10, 20, 30]
print extend mylist: [10, 20, 30, 40, 50, 60]
print string mylist: [10, 20, 30, 40, 50, 60]
print append mylist: [10, 20, 30, 40, 50, 60, [7, 8, 9]]