解释TypeError: 'dict_keys' object is not subscriptable错误的含义: 这个错误意味着你尝试使用下标(例如,[index])来访问dict_keys对象的一个元素,但是dict_keys对象(作为字典键的视图)并不支持这种操作。在Python中,字典的.keys()方法返回的是一个dict_keys对象,它虽然可以迭代但不可通过下标访问。 提供导致该...
TypeError: 'dict_keys' object is not subscriptable 001、python报错 >>>dict1 = {"aa":300,"bb":500,"cc":400,"dd":700}>>>dict1{'aa':300,'bb':500,'cc':400,'dd':700}>>>dict1.keys()dict_keys(['aa','bb','cc','dd'])>>>dict1.keys()[3]Traceback (most recent call last...
What is “typeerror: ‘dict_keys’ object is not subscriptable”? The“typeerror: ‘dict_keys’ object is not subscriptable”is an error message in Python that occurs when you are trying to access (index or slice) a ‘dict_keys’ object. In addition to that, this error happens when you ...
报错TypeError: 'dict_keys' object is not subscriptable 原因是python3中keys不允许切片,先转列表再切片就好了 解决方法把 lookup_key = item.attrib.keys()[0] 转换为 lookup_key = list(item.attrib.keys())[0]
If I update the data frame object with multiple rows and a single column, it throwsTypeError: 'dict_values' object is not subscriptable a relevant error stack trace: File "/var/task/pandas/core/indexing.py", line 723, in __setitem__ iloc._setitem_with_indexer(indexer, value, self.name...
TypeError: 'dict_values' object is not subscriptable,dic={key:fr"{key}_value"forkeyinmap(chr,range(97,100))}#print(#dic.values()[2]#)#TypeError:'dict_values'objectisnotsubscriptableprint(lis
The "TypeError: 'dict_keys' object is not subscriptable" occurs when attempting to retrieve the first key using `print(DictKeys[0])`. Resolving the "TypeError: 'dict_keys' object is not subscriptable" Python Error Here are several potential solutions you can employ to address the error ...
dict_keys object is not subscriptable 在Python编程中,我们经常会用到字典(dict)这种数据结构。在处理字典时,可能会遇到这样一个问题:当我们试图通过索引访问字典中的某个键值对时,却发现无法进行索引操作,这是什么原因呢?本文将对这个问题进行分析。 问题描述:在Python 3.7+中,dict_keys对象不再支持下标操作。
scores = lr_cf.scores_.values()[0] TypeError: ‘dict_values’ object is not subscriptable python3.8,这个该怎么改?Sky_YiBai 2020-11-29 15:55:00 源自:8-7 LR模型的训练 4173 分享 收起 1回答 David 2020-12-04 00:33:42 试一下 scores = list(lr_cf.scores_.values())[0]. 就是...
TypeError: 'dict_keys' object is not subscriptable 我一开始使用的方法是: fdist = FreqDist(dist).keys() dist_max=set(fdist[0:50]) 只需要在第一行加上list就解决了,代码如下: fdist = list(FreqDist(dist).keys()) dist_max=set(fdist[0:50])...