文章目录
- 1. 字典的基本操作
- 2. 字典的索引
- 3. 字典的总个数(len)
- 4. 字典的for循环
1. 字典的基本操作
user_info = { "name": "Py小白雨", "age": "18", "height": "185", "language": "Python"}print(user_info.keys())print(user_info.values())print(user_info.items())user_info.clear()print(user_info)val = user_info.get('age')print(val)test = { "name": "Py小白雨", "age": "18", "height": "185"}user_info.update(test)print(user_info)
2. 字典的索引
user_info = { "name": "Py小白雨", "age": "18", "height": "185", "language": "Python"}print(user_info['name'])
3. 字典的总个数(len)
user_info = { "name": "Py小白雨", "age": "18", "height": "185", "language": "Python"}print(len(user_info))
4. 字典的for循环
user_info = { "name": "Py小白雨", "age": "18", "height": "185", "language": "Python"}for i in user_info: print(i) for k, v in user_info.items(): print(k) print(v)for i in user_info.keys(): print(i)for i in user_info.values(): print(i)
彭州一中