Python 列表添加函数 (IDEAT科技)
append() 在列表元素末尾追加元素
#例子:append
names=['liYang','HaoDe']
add = 'WangGo'
names.append(add)
print(names)
运行结果:
[‘liYang’, ‘HaoDe’, ‘WangGo’]
extend 列表合并
#例子:extend
names=['liYang','HaoDe']
exten =['WuWaNa','NaMi']
names.extend(exten)
print(names)
运行结果:
[‘liYang’, ‘HaoDe’, ‘WuWaNa’, ‘NaMi’]
感觉和“+”号差不多
#例子: “+”
names=['liYang','HaoDe']
exten =['WuWaNa','NaMi']
print(names+exten)
运行结果:
[‘liYang’, ‘HaoDe’, ‘WuWaNa’, ‘NaMi’]
insert 插入到列表指定的位置
#例子:insert
names = ['aa','bb','cc','dd','ee']
#插入到指定位置,原来的数据向后面移位
names.insert(1,'Hello')
print(names)
运行结果:
[‘aa’, ‘Hello’, ‘bb’, ‘cc’, ‘dd’, ‘ee’]