All Questions
1,693
questions
0
votes
0
answers
21
views
Optimizing nested list-based storage format for defining curly brackets scopes
I have made my own programming language in python, and as of right now, its using a system that, whenever detects a {, it makes a list in front of it, somewhat like this:
tokens = ['IF', 'a', '>', '...
- 1
2
votes
1
answer
83
views
Typing List not defined when running code with exec from a function
Can somebody help me understand why the following code fails?
def foo(code):
exec(code)
if __name__ == "__main__":
code = R"""
from typing import List
class Test:
...
- 21
0
votes
0
answers
32
views
A local variable seemingly breaking scope in Django [duplicate]
I have introduced this function in a file storage.py that is imported from models.py:
def uuid_file_name(kind):
def file_name(instance, filename):
h = str(uuid.uuid4())
basename, ...
- 197k
0
votes
0
answers
27
views
Why is my socket losing its type when passed into a function? [duplicate]
I receive the error:
[WinError 10038] An operation was attempted on something that is not a socket
def main():
test_sock = connToDevice("TEST")
resetRobot(test_sock)
def ...
- 1
0
votes
2
answers
47
views
NameError when accessing variable returned from function (out of order?)
Per the code below, I'm getting this error:
NameError: name 'leap_status' is not defined
The def days_in_month() is looking for the status of leap_status which should be defined already but, for ...
- 5
0
votes
1
answer
59
views
Positional arguments in nested functions
This question relates to this video: https://www.youtube.com/watch?v=jXugs4B3lwU
The piece I'm missing is somewhat simpler than the concept the video is covering overall. In the example code below:
...
- 424
-1
votes
2
answers
78
views
I don't know how to make my code work correctly [closed]
I was practicing and I tried defining mathematical functions and other stuff, but then I got a bunch of errors and I ended up not having an error but the result was wrong. This is the code as of ...
- 19
0
votes
0
answers
38
views
Variable visibility in python [duplicate]
Maybe a stupid question but I'm new to python.
The following code throws an error:
deck = [10, 2, 5, 8, 2, 7]
deck_idx = 0
def deal():
card = deck[deck_idx]
deck_idx += 1
return card
print(...
- 1,484
0
votes
1
answer
35
views
why print(num) print '0'? num is global variable and I changed num to '6' in local function [duplicate]
When I compiled this code, I expected print(num) to print 6. The reason behind my expectation is that, firstly, the variable num is global. Thus, in the first line, num was reset to 0. Additionally, ...
- 11
0
votes
1
answer
42
views
Use one correlated value from one Locust call in anoher (within same class)
I have the following working code:
import json
import requests
import os
import pandas as pd
import random
from locust import task, events
from locust.contrib.fasthttp import FastHttpUser
from azure....
- 983
0
votes
0
answers
19
views
Ipython: Slide a slider --> change text in a pdf
In the self-contained IPython/Jupyter code below, you drag a slider and the text in the pdf should change -- the pdf text should be regenerated when you release the mouse button.
I see the slider. I ...
- 463
0
votes
0
answers
41
views
Preserving DataFrame Modifications Across Options in a Streamlit Application
I have a Streamlit application called PredictaApp that allows users to upload a CSV file and perform various data analysis and preprocessing tasks on the uploaded dataset. One of the tasks is imputing ...
- 1
0
votes
0
answers
38
views
Why is my function overwriting global variable values that are passed to it? [duplicate]
My understanding of variable scope in Python was that if you pass a global variable into a function, the global variable's value will not be changed by any operations done on it within the scope of ...
1
vote
0
answers
40
views
Local vs NonLocal Scope Python [duplicate]
I am trying to understand scopes in Python and am confused in the examples below (I am using Python 3.12.2) -
1.
a = 10
def myfunc():
a = 2
print(a)
print(a)
myfunc()
This gives the output -...
- 352
-1
votes
1
answer
3k
views
UnboundLocalError: cannot access local variable 'currentPlayer' where it is not associated with a value [duplicate]
I do not understand this error. 'currentPlayer' is declared and defined on line 13, which exists globally. Why is it unbound in my ToggleTurn() method?
The error:
Traceback (most recent call last):
...
- 1