```python
发布时间:2020-12-20 10:43:23 所属栏目:Python 来源:网络整理
导读:dict = {‘Alice‘: ‘2341‘,‘Beth‘: ‘9102‘,‘Cecil‘: ‘3258‘}dict1 = { ‘abc‘: 456 }dict2 = { ‘abc‘: 123,98.6: 37 }print(dict)print(dict1)print(dict2) {‘Alice‘: ‘2341‘,‘Cecil‘: ‘3258‘}{‘abc‘: 456}{‘abc‘: 123,98.6: 37}
dict = {‘Alice‘: ‘2341‘,‘Beth‘: ‘9102‘,‘Cecil‘: ‘3258‘} dict1 = { ‘abc‘: 456 } dict2 = { ‘abc‘: 123,98.6: 37 } print(dict) print(dict1) print(dict2) {‘Alice‘: ‘2341‘,‘Cecil‘: ‘3258‘} {‘abc‘: 456} {‘abc‘: 123,98.6: 37} dict = {‘Name‘: ‘Runoob‘,‘Age‘: 7,‘Class‘: ‘First‘} print ("dict[‘Name‘]: ",dict[‘Name‘]) print ("dict[‘Age‘]: ",dict[‘Age‘]) dict[‘Name‘]: Runoob dict[‘Age‘]: 7 dict = {‘Name‘: ‘Runoob‘,‘Class‘: ‘First‘} print ("dict[‘Alice‘]: ",dict[‘Alice‘]) --------------------------------------------------------------------------- KeyError Traceback (most recent call last) <ipython-input-4-726b75248a57> in <module> 1 dict = {‘Name‘: ‘Runoob‘,‘Class‘: ‘First‘} 2 ----> 3 print ("dict[‘Alice‘]: ",dict[‘Alice‘]) KeyError: ‘Alice‘ dict = {‘Name‘: ‘Runoob‘,‘Class‘: ‘First‘} dict[‘Age‘] = 8 # 更新 Age dict[‘School‘] = "菜鸟教程" # 添加信息 print ("dict[‘Age‘]: ",dict[‘Age‘]) print ("dict[‘School‘]: ",dict[‘School‘]) dict[‘Age‘]: 8 dict[‘School‘]: 菜鸟教程 dict = {‘Name‘: ‘Runoob‘,‘Class‘: ‘First‘} del dict[‘Name‘] # 删除键 ‘Name‘ dict.clear() # 清空字典 del dict # 删除字典 print ("dict[‘Age‘]: ",dict[‘School‘]) --------------------------------------------------------------------------- TypeError Traceback (most recent call last) <ipython-input-6-acbbe1348922> in <module> 5 del dict # 删除字典 6 ----> 7 print ("dict[‘Age‘]: ",dict[‘Age‘]) 8 print ("dict[‘School‘]: ",dict[‘School‘]) TypeError: ‘type‘ object is not subscriptable dict = {‘Name‘: ‘Runoob‘,‘Name‘: ‘小菜鸟‘} print ("dict[‘Name‘]: ",dict[‘Name‘]) dict[‘Name‘]: 小菜鸟 dict = {[‘Name‘]: ‘Runoob‘,‘Age‘: 7} print ("dict[‘Name‘]: ",dict[‘Name‘]) --------------------------------------------------------------------------- TypeError Traceback (most recent call last) <ipython-input-8-c4866a957fa9> in <module> ----> 1 dict = {[‘Name‘]: ‘Runoob‘,‘Age‘: 7} 2 3 print ("dict[‘Name‘]: ",dict[‘Name‘]) TypeError: unhashable type: ‘list‘ {‘pear‘,‘banana‘,‘orange‘,‘apple‘} {‘b‘,‘d‘,‘l‘,‘m‘,‘r‘,‘z‘} (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |