Contents
What does name is not defined mean in Python?
A NameError means that you’ve tried to use a variable that does not yet exist. In this guide, we’re going to talk about the “nameerror name is not defined” error and why it is raised. We’ll walk through a few example solutions to this error to help you understand how to resolve it in your code. What is a NameError?
When do you get a nameerror in Python?
A NameError is raised when you try to use a variable or a function name that is not valid. In Python, code runs from top to bottom. This means that you cannot declare a variable after you try to use it in your code. Python would not know what you wanted the variable to do. The most common NameError looks like this:
Is the SRC in the getsummstats function?
You haven’t defined src in your getSummStats function, nor is it passed in as an argument. You have a raster arg but do not use it. Thanks for contributing an answer to Geographic Information Systems Stack Exchange!
Why is is _ playing _ CG not defined in Python?
You are defining is_playing_cg inside of a conditional statement at the top of your code. So if that option is not selected, then when you get to the latter conditional statement, it has never heard of that variable…. and it is not defined in the namespace.
What to do if name’con’is not defined?
I have the script below, which was working until I added the line out1 = Con (IsNull (raster), 0, raster) which is supposed to get rid of any nodata cells in each raster I am processing. Now my script keeps raising the exception: NameError: name ‘Con’ is not defined.
Why is name’con’not defined in ArcGIS?
NameError: name ‘Con’ is not defined. I am using the Con function exactly as it is used in all of the ArcGIS help documentations, so I understand why it doesn’t recognize Con. Anyone have any ideas as to what is causing this error? My script is below.
Which is the most common error in Python?
NameErrors are one of the most common types of Python errors. When you’re first getting started, these errors can seem intimidating. They’re not too complicated. A NameError means that you’ve tried to use a variable that does not yet exist. In this guide, we’re going to talk about the “nameerror name is not defined” error and why it is raised.
Why is enter your name invoked again in Python?
To demonstrate this, let’s try to execute input function again. Now, when input (“Enter your name: “) is executed, it waits for the user input and the user input is a valid Python function invocation and so that is also invoked. That is why we are seeing Enter your name again: prompt again.
How to set up 3 GPIO pins in Python?
The code set’s up 3 GPIO pins (which turns them on). The code then turns all the LED’s off before asking the user which LED to turn on or off