然而,在`for`循环中,我们引用了未定义的变量`items`,因此会抛出"Name 'items' is not defined"错误消息。 为了解决这个问题,我们可以在函数内部声明`items`变量,并使其等于`numbers`列表。修改后的代码如下: python def square_list(): items = numbers squares = [] for item in items: squares.append(...
For example, if the list is defined inside a function, you cannot use it outside the function unless you return the list from the function. What is “nameerror: name ‘List’ is not defined”? Thenamerror: name ‘List’ is not definederror message that occurs when you’re trying to u...
Python程序，错误NameError：名称XX未定义不是由声明引起的，需要在文件的前两行声明代码，声明方法是：1，在文件中写一个带有中文字符的python文件，不进行编码。2，当程序文件中有中文字符时，如果文件未声明编码格式，则会显示错误消息：文件“encode.py”，第1行#SaxaxError：文件编码中的非ASCII字符...
NameError: name 'shopping_list' is not defined Here is my code: shopping_list = list() print('What should we pick up at the store?') print('Enter done to stop adding items.') while True: new_item = input("> ") if new_item == 'DONE'breakshopping_list.append(new_item)print('...
Bad Request Check `Errors` for a list of errors returned by the API. at SendGrid Base Class vs Abstract Class vs Interfaces Basic Question what is difference between asmx and wsdl files? BC30002: Type 'MySqlCommand' is not defined. BC30311: Value of type 'String' cannot be converted to ...
The creation expression is represented by the CodeObjectCreateExpression class, which takes the type of the object to create and the list of parameters to be used in the creation. This list of parameters is an array of CodeExpression objects and cannot be null. As I have done in this ...
passing in the variable name as the argument to the constructor. The creation expression is represented by the CodeObjectCreateExpression class, which takes the type of the object to create and the list of parameters to be used in the creation. This list of parameters is...
IPivotItemList IPivotItems IPivotLayout IPivotLine IPivotLineCells IPivotLines IPivotTable IPivotTableChangeList IPivotTables IPivotValueCell IPlotArea IPoint IPoints IProtectedViewWindow IProtectedViewWindows IProtection IPublishObjects IQueryTables IQuickAnalysis IRange IRanges IRecentFile IRecentFiles...
Windows.ApplicationModel.Calls.Background Windows.ApplicationModel.Calls.Provider Windows.ApplicationModel.Chat Windows.ApplicationModel.CommunicationBlocking Windows.ApplicationModel.Contacts Windows.ApplicationModel.Contacts.DataProvider Windows.ApplicationModel.Contacts.Provider ...
System import * from System.Data import * from System.Text ...