WebNov 3, 2024 · Firstly, write a = zip (types, tags) instead of a = zip ('types', 'tags') Get rid of the quotation marks around 'types' and 'tags'. Secondly, when you write types +'/' + tags + ' ', types must be a string and tags must be a string. The plus-operator ( +) cannot add a list and a string together. WebTypeError: can only concatenate str (not “int”) to str: The reason is because you tried to concatenate a string with an integer. The value on the left of the concatenation operator …
How to fix TypeError: can only concatenate list (not "str") to list?
WebAug 4, 2024 · 1 Answer Sorted by: 2 This error occurs when you try to concatenate a string to a list. Like you do here: org = dframe.values.tolist () TOPIC = org + '/' + 'bitgear/IO-Air' object_str = org + '/' + uuid + '/' WebApr 26, 2024 · It works if you get the indentation right. See updated answer. In Python, range (firstNum, lastNum) goes to lastNum - 1, so range (1, 9) gives [1,2,3,4,5,6,7,8]. If … chup fm online radio
TypeError: can only concatenate list (not "str") to list : Python
WebApr 9, 2024 · print (eval (sol)) File "", line 1, in TypeError: can only concatenate str (not "int") to str. There's no need to call str () around input (). It always returns a string. There's no point in calling eval () here: sol = eval (str ("userInput1")). It's the same as sol = userInput1. WebJul 8, 2013 · 1 Answer Sorted by: 4 users is a list: users = range (0,int (users)) but you then try to create a new range from that list: First_Name = ["Test"+str (user) for user in range (1, users+1)] where users + 1 is an attempt to add 1 to a list. Don't do that. Just loop over your existing range: First_Name = ["Test"+str (user + 1) for user in users] Share WebDec 25, 2024 · can only concatenate list (not "str") to list. 这个错误消息是在告诉你,你试图将一个字符串拼接到一个列表上,但是列表和字符串不能拼接。. 这通常是因为你误解了 Python 中的连接运算符 + 的含义。. 在 Python 中,连接运算符 + 可以用来连接两个列表,但是它不能用来 ... determining truck payload capacity