deftoplevel(): a =5defnested(): a =7# create a local variable called a which is different than the nonlocal oneprint(a)# prints 7nested()print(a)# prints 5returna 情况三:由于存在 a = 7,此时a代表嵌套函数中的local a , 但在使用a + 2 时,a还未有定义出来,所以报错 deftoplevel()...
1. 解释“free variable 'typeerror' referenced before assignment in enclosing scope”错误的含义 这个错误通常出现在Python编程中,意味着在一个闭包(enclosing scope)中引用了一个自由变量(free variable),但是这个自由变量在使用之前没有被正确地赋值。在这里,“typeerror”被当作一个变量使用,而不是Python内置的Type...
python 使用嵌套函数报local variable xxx referenced before assignment或者 local variable XXX defined in enclosing scope 2019-10-14 10:26 −... james_cai 0 4967 Shared variable in python's multiprocessing 2019-12-10 14:19 −Shared variable in python's multiprocessing https://www.programcreek....
Next to the globals() function, Python also provides a corresponding built-in function called locals(). It’s similar to globals(), but accesses objects in the local namespace instead. The interpreter creates a new namespace whenever a function…
Cannot refer to the non-final local variable userSession defined in an enclosing scope 今天同事突然找我报了这个么问题,别人都没报错,就他 大致查了一下是jdk版本的问题,他将jdk版本换成1.8依旧报错 查了下,错误原因大致如下: 新启线程与主线程各有一份独立占内存空间,userSession等变量是主线程的局部变量...
=pytube.YouTube(url) File "C:\Users\Moondra\AppData\Local\Programs\Python\Python36\lib\site-packages\pytube\mixins.py", line 41, in <listcomp> if any([x in url for x in ['signature=', 'sig=']]): NameError: free variable 'url' referenced before assignment in enclosing scope ...
Local variable flag defined in an enclosing scope must be final or effective 2020-05-15 16:28 −... 小胡0602 0 5368 004 vs : error - This function or variable may be unsafe 2019-12-26 06:31 −/* 目录: 一 原因 二 修改 */ 一 原因 微软想让程序员使用更安全的函数。 二 修改 ...
Python内置函数 具体来说: Local scope(局部作用域)Enclosing(or nonlocal) scope(封闭 or 非局部作用域) Global scope(全局作用域) Builtin scopeEnclosingscopeEnclosingscope(封闭作用域)或称 nonlocal scope(非局部作用域):当前函数/类 所在的函数/类。 22 y = 789 def inner_function(): x = 33 print(...
When using ./letsencrypt-auto run on Ubuntu 14.04 I run into this error: An unexpected error occurred: NameError: free variable 'addrs' referenced before assignment in enclosing scope. From letsencrypt.log: 2016-02-13 10:13:29,799:DEBUG:...
keep getting this out come "free variable 'valid_passport' referenced before assignment in enclosing scope" please help out