nameerror%3A name %27list is not defined

wrapping a class name in a string, i.e.

Tem alguns problemas no seu código, mas este não é o foco da pergunta. NameError: name “ ” is not defined 问题一：name ‘name’ is not defined "name"两端是双下划线"_"，不是只有一个""。 问题二：name 'messagebox' is not defined “ ” 内为某个数据库的子module。 在代码中加上如下语句： from tkinter import messagebox. TL;DR. input function in Python 2.7, evaluates whatever your enter, as a Python expression. I am learning the python language by seeing some YouTube channels and from many tutorial-based blogs over the internet. NameError: name 'Tree' is not defined That's because the class has not been defined yet at this point. The problem seems to be that my name assignment "March_13_2018" is not being attached to the list object, what I get is a "nameless, or undefined" list.

使用python经常出现NameError: name ‘xxx’ is not defined感觉神之存在的Bug 用注释居然解决了 之前k_means一直是没定义后来加了注释#abc就解决了from sklearn.cluster import k_means# abc如下图所示：解决后感觉太特么奇妙了 The workaround is using so called Forward Reference, i.e. python初心者です。参考書通りだと思うのですがname 'square' is not definedと出てしまいます """ Module documentation words go here """ spam=40 def spuare(x): """ function documentation can we have your liver then? If you simply want to read strings, then use raw_input function in Python 2.7, which will not evaluate the read strings.. C = C + 1 G = G + 1 Uma vez que C e G não foram declaradas, você não pode atribuir a elas o valor delas mesmas incrementadas de 1. It's possible that you forgot to initialize it, specially if it is a constant. foo # This variable is not defined bar() # This function is not defined Maybe it's defined later: baz() def baz(): pass Or it wasn't imported: Este erro é por causa dessas linhas. class Tree: def __init__(self, left: 'Tree', right: 'Tree'): self.left = left self.right = right Any help would be great

What would you like to add to the list Enter DONE what finished. How do I map the name of the list that I pass through my function, so that the list that's created has that name?

默认情况下子module不会自动import。 eggs Traceback (most recent call last): File "shoppinglist.py", line 7, in new_items = input("> ") File "", line 1, in NameError: name 'eggs' is not defined. NameError: name 'os' is not defined Problem: Hello Good people, I am outrageously new in python and helping me tech python.

If you are using Python 3.x, raw_input has been renamed to input.Quoting the Python 3.0 release notes,. It's simply not defined nowhere in the code.
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