Python添加元素有三种方法:append、extend、insert
实例:
list="my","name","is","mark","age",18
print("添加前:",list)
list.append("test")
print("添加后:",list)
打印结果:
添加前: 'my', 'name', 'is', 'mark', 'age', 18
添加后: 'my', 'name', 'is', 'mark', 'age', 18, 'test'
实例:
list="my","name","is","mark","age",18
print("extend前:",list)
list2="A","B"
list.extend(list2)
print("extend后:",list)
打印结果:
extend前: 'my', 'name', 'is', 'mark', 'age', 18
extend后: 'my', 'name', 'is', 'mark', 'age', 18, 'A', 'B'
实例:
list="my","name","is","mark","age",18
print("insert前:",list)
list.insert(3,"test")
print("insert后:",list)
打印结果:
insert前: 'my', 'name', 'is', 'mark', 'age', 18
insert后: 'my', 'name', 'is', 'test', 'mark', 'age', 18
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