1 # Author:Junce Liu 2 City = {'01':"上海",'02':"北京",'03':"深圳"} 3 print(City) 4 print(City.values()) # 仅打印字典值 5 print(City.keys()) # 仅打印字典键 6 7 输出结果如下: 8 {'01': '上海', '02': '北京', '03': '深圳'} 9 dict_values(['上海', '北京', ...
That’s great, however, in Python 3, keys() no longer returns a list, but a view object:The objects returned by dict.keys(), dict.values() and dict.items() are view objects. They provide a dynamic view on the dictionary’s entries, which means that when the dictionary changes, the...
参考链接: Python字典keys() 本文翻译自:How to return dictionary keys as a list in Python? ...In Python 2.7 , I could get dictionary keys , values , or items as a list: 在Py...
## Note that the keys are in a random order. for key in dict: print key ## prints a g o ## Exactly the same as above for key in dict.keys(): print key ## Get the .keys() list: print dict.keys() ## ['a', 'o', 'g'] ## Likewise, there's a .values() list of va...
dict().keys():返回一个视图对象 test_dict = {'apple': 1, 'banana': 1, 'beef': 1} print(f"test_dict.keys()元素的数据类型: {type(test_dict.keys())}") print(f"字典中的键:") for i in test_dict.keys(): print(i) 输出结果 dict().values():返回一个视图对象 test_dict = {'...
# 键和值示例my_dict={'a':1,'b':2,'c':3}# 获取所有键keys=my_dict.keys()print(keys)# 输出: dict_keys(['a', 'b', 'c'])# 获取所有值values=my_dict.values()print(values)# 输出: dict_values([1, 2, 3])# 获取所有键值对items=my_dict.items()print(items)# 输出: dict_items...
dict6 = dict.fromkeys(seq, ('小马','8','男')) print("新的字典为 : %s"% str(dict6)) # 新的字典为 : {'name': ('小马', '8', '男'), 'age': ('小马', '8', '男'), 'sex': ('小马', '8', '男')} dict.keys返回一个可迭代对象,可以使用 list 来转换为列表。
dict_keys(['c', 'b', 'a']) 8.values 返回一个包含字典所有value的列表 1 2 3 >>> d = {'a':1,'b':2,'c':3} >>> d.values() dict_values([3, 2, 1]) 9.items 返回一个包含所有(键,值)元祖的列表 1 2 3 >>> d = {'a':1,'b':2,'c':3} >>> d.items() dict_it...
In Python 2.7 , I could get dictionary keys , values , or items as a list: 在Python 2.7中 ,我可以将字典键 , 值或项作为列表获取...我想知道,是否有更好的方法在Python 3中返回列表? ...#1楼参考:https://st...
Example Get a list of the keys: x = thisdict.keys() Try it Yourself » The list of the keys is a view of the dictionary, meaning that any changes done to the dictionary will be reflected in the keys list.Example Add a new item to the original dictionary, and see that the keys...