WebTypeError: unhashable type: 'list'usually means that you are trying to use a list as an hash argument. This means that when you try to hash an unhashable objectit will result an …
Python 的 unhashable type 错误分析及解决-阿里云开发者社区
Web1 Feb 2024 · Python objects like lists, dictionaries, sets, and byte arrays are unhashable. Meaning, the value of these objects might change. For example, we can remove or add an element to these objects. Hence, the value might change. Understanding the root … Web8 Dec 2024 · Since collections.Counter is a subclass of the dictionary, an error is raised if you pass a list or tuple whose elements are unhashable, such as a list, to collections.Counter (). # print (collections.Counter (l_2d)) # TypeError: unhashable type: 'list' source: list_unique.py Sponsored Link Share Tweet template kwitansi cdr
Counter — Count Hashable Objects — PyMOTW 3
Web21 Mar 2014 · A Counter is a dict subclass for counting hashable objects. In your case it looks like results is a dict containing list objects, which are not hashable. If you are sure … Web7 Mar 2024 · Using Counter Class with Unhashable Objects Please note that you get an error if an element inside the container object is an unhashable type such as a list object. from collections import Counter a_list = [1,2, [5,6,7,7],2,3,4,4,4] #counting objects in a list c_list = Counter (a_list) print (c_list) Output: TypeError: unhashable type: 'list' Web13 Dec 2024 · The Python TypeError: unhashable type: 'list' usually means that a list is being used as a hash argument. This error occurs when trying to hash a list, which is an unhashable object. For example, using a list as a key in a Python dictionary will cause this error since dictionaries only accept hashable data types as a key. templatelab官网