355. You forgot parenthese for .float(), which means new_layer is a function in your code sample, and new_layer[0:batch] tries to index a function which is not … 1 .报错原因如下：尝试使用range() 创建整数列表（导致“TypeError: ‘range’ object does not support item assignment”）有时你想要得到一个有序的整数列表，所以range() 看上去是生成此列表的不错方式。 Codecademy is the easiest way to learn how to code. paulochf changed the title `TypeError: '_LocIndexer' object does not support item assignment` when creating new column from computation `TypeError: '_LocIndexer' object does not support item assignment` when updating column from computation Jun 6, 2017 Related. Later in the code you called app in app[i], which you can only do with list items and dictionaries, not integers. Python’s language reference for assignment statements states that if the target is an object’s attribute that supports assignment, then the object will be asked to perform the assignment on that attribute. I can't simply do import config.py because it's not in the same directory. Traceback (most recent call last): File "", line 1, in TypeError: 'NoneType' object does not support item assignment Also bonus question: How do I import the config.py file? Memory address for String str1: 28675192 Memory address for String str1: 20719552. I'm not 100% sure what you were trying to do, but if you want to create a list of numbers from 1 to 10, I would suggest initializing app as a list with app = [], and then using the .push() method to add items to the list. 146 Is there a simple way to import it if its not in the same directory? What does the Ellipsis object do? Having trouble printing combinations generator. 'range' object does not support item assignment - trying to use old python code in python 3.3. Questions: I have the following data frame in IPython, where each row is a single stock: In [261]: bdata Out[261]: Int64Index: 21210 entries, 0 to 21209 Data columns: BloombergTicker 21206 non-null values Company 21210 non-null values Country 21210 non-null values MarketCap 21210 non-null values PriceReturn 21210 non-null values SEDOL 21210 non-null … Object attributes have their own place in Python’s assignment strategy. 0. 594. This will work like a charm as you are not trying to change the string itself. It seems self.svm.decision_function(vectors) returns 1d array instead of 2d. answer 1 Try this testing code and pay attention to np.array([1,2,3], dtype=np.float64). It's interactive, fun, and you can do it with your friends. 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