Having a lambda function that uses a regex: I would like to retrieve the source function including its pattern for error reporting. The expected output would be something like: func = lambda x: re.fullmatch(“black.*”, x) Knowing of the inspect module and the function getsource, I managed to solve …
Tag: function
Python – How to call every function in a list with a single function call
I’m trying to create a dictionary where each value is a list of functions that should get executed when calling the value. Here’s some pseudo-code: But if I try to call this using functions[“A”]() an exception is thrown saying “TypeError: ‘generator’ object is not cal…
How does assigning variables to functions work in this python program?
Here is the full python program on pastebin https://pastebin.com/0syTHsJX ,I dont understand how the variable assigned to the function mutable_link() works. if i replace s with mutable_link Here is the version that works though. How does assigning the function to variables work and why do i get error when i u…
After complement function can’t print a string, and no error message is shown
rookie here. Can anyone tell me what is wrong with this? I cant seem to print my “primer” string, I am sure that the “region” variable is not empty for I tested it out already. enter image description here Answer In the future, please post the text of your program, not an image of the …
Python – len function not working as expected, and giving me the error “TypeError: object of type ‘int’ has no len()”
While studying linked lists from – https://composingprograms.com/pages/23-sequences.html#linked-lists The program recognizes four as a linked list, But when i plug in x it returns an error instead of returning “False”. If i change value of x to just [1] or [1,2,3] it returns as expected, but…
How to return appended data frame using a function in Python?
I would like to return each data frame from each URL appended into one single data frame. When I print it within the function, I get the result I desire. The problem is when I try assign a variable to the data frame, it only adds the final data frame. Running this function prints my desired result: But when I
Function with two loops
I want to make a function what must have 2 loops: must check that at least 2 characters (letters) are inserted if the two characters are in the form that the variable must receive at the end, the variable receives the correct orthographic form. Here is my code (but it throws me in infinite loop) [Please be in…
My code caused the kernel to restart. Why is the kernel restarting?
I wrote this for python code and got an unexpected output. The output was a number of zeros then it said “restarting kernel”. Why is the kernel restarting? On the other hand, I tried with if and there was no problem: So why is it not working with for? Answer In your code above, each function call …
Calling Function’s return value to a script from another module?
I am new to the advanced problems of python. I am trying to get good if you want to make any correction it is welcomed. I want to do run function in Run File. I can’t pass the return value of a function without altering its value. Then assign fpath in the function firstfile.py to the secondfile.py scrip…
Default parameter positioning and TypeError
So here’s my code: When I execute, I get TypeError: SubElement() argument 1 must be xml.etree.ElementTree.Element, not None What I need is to pass the value 20 (FLASHCMD_TIMEOUT) to the function op_sndrcv(). create_command() op_sndrcv() are used my multiple routines and I want to keep this as optional, …