the message is clear. list has no method add because it is ordered (it has a dunder __add__ method but that's for addition between lists). You can insert ...
Why myList[1] is considered a 'str' object? Because it is a string. What else is 'from form', if not a string?(Actually, strings are sequences too, i.e. they can be indexed, sliced, iterated, etc. as well - but that's part of the str class and doesn't make it a list or something).. mList[1] returns the first item in the list 'from form' If you mean that myList is 'from form', no it's not!!!
the message is clear. list has no method add because it is ordered (it has a dunder __add__ method but that's for addition between lists).You can insert but you want to append.So the correct way is: X_train = [] for row in cur: X_train.append(row) BUT the preferred way converting to a list directly (iterating on cur elements to create your list in a simple and performant way):
30.12.2020 · You probably mean to write. for i, d in enumerate (dbs): if d > 10: exceed2.append (i) print (exceed2) Few fixes here: append= () is invalid syntax, you should just write append () the i, d values from enumerate () are returning the values and indexes. You should be checking d > 10, since that's the value (per your description of the task).
14.10.2012 · I have a script in which I am extracting value for every user and adding that in a list but I am getting "'NoneType' object has no attribute 'append'". My code is like last_list=[] if …
... i used this code "inventory['gold'] .append(50)", but got this error "int' object has no attribute 'append'". I thought append is a list function, ...
The python AttributeError: 'dict' object has no attribute 'append' error occurs when you try to append a value in a dict object. The dict should be modified as ...
Solution 3. The python variable should be checked for the list. if the variable is of type list, then call the append method. Otherwise, take the alternative path and ignore the append () attribute. The example below will show how to check the type of the variable and how to call append method.