python程序，报错NameError: name XX is not defined 是没有声明造成的，需要在文件的前两行进行声明编码，声明方法为：1、写一个python文件，文件中有中文字符，且未声明编码。2、当程序文件中，存在中文字符时候，文件未声明编码格式就会出现报错信息： File "encode.py", line 1SyntaxError:Non-ASC...
35. ValueError: subsection not found 对于字节串,使用index来搜索子串,容易出现这个错误。 s = b"hello, world" print(s.index(b"world!")) Traceback (most recent call last): File "/bugfree/test.py", line 2, in <module> print(s.index(b"world!")) ValueError: subsection not found 解决办...
在python中,如果引用的变量未定义,则会报告NameError: name '变量名' is not defined。 如下代码抛出了一个异常: 代码语言:javascript 复制 !/usr/bin/env python--coding:utf-8--print'hello world'print'hello %s'%name 报错信息如下: 代码语言:javascript 复制 Traceback(most recent call last):File"hello...
NameError: name ‘unicode’ is not defined python版本升级问题原因导致:python2.7 → python3系列 解决方法 声明
1python程序gridregression.py运行出错: NameError: global name 'out_filename' is not defined 错误如下Traceback (most recent call last) File "D:\huigui\libsvm\Python24\gridregression.py", line 281, in ? result_file = open(out_filename,'w',0)NameError: global name 'out_filename' is not...
May I know how to correct the NameError: name 'xx' is not defined ? Code: import numpy as np import matplotlib.pyplot as plt from sklearn import svm, datasets # import some data to play with iris = datasets.load_iris() X = iris.data[:,[2,3]] y = iris.target def plotSVC(titl...
简介: 真的!千万不要忽略这些python常见报错信息_nameerror name ‘a‘ is not defined 在使用Python时,作为萌新的我总是会粗心的掉这掉那,运行时就会出现各式各样的错误,因此写这么一篇博客,来总结下编写代码的一些常见错误以及解决办法。有什么python相关报错解答自己不会的、或者源码资料/模块安装/女装大佬精通...
In the above examples, we defined a variable named “States” inside a function in Python. Later, we tried to access that variable outside the function and raised aNameError: name is not defined error in Python. Case 4: Name is not defined error in Python in calling functions without imp...
当涉及到Java实战时，有许多有趣且实用的项目可以探索。在本文中，我将向您介绍一个Java实战项目：创建...
The module name is requests, with no capital letters or spaces. Solution 2: requests Module is Out of Nested Scope The error message stating requests module is out of nested scope typically occurs when you try to use the requests module inside a nested function or class. See the following ...