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Build in Z3 python a list of tuples

I am attempting to use Z3 solver in python to create a predicate path(list) which returns true if the list is a valid path on a given graph G I would like to construct a list of tuples using Z3 to represent all edges present in the graph, here is my first attempt: However I am getting an error: Z3Exception:

Two-Button Menu Iteration

I’ve got a script that I’m adapting to micropython on a 2040, and I want to use two buttons to navigate the menu structure. I can’t figure out how to make the iterate loop in the multi-choice menus work right… here’s what I’ve got so far: In particular, this is the logic I&…

Manipulate string to drop columns on pandas

I’m trying to manipulate a list (type: string) to use that list to drop some columns from a dataframe. Dataframe The list is from a dataframe that I created a condition to return columns whose sums of all values ​​are zero: Selecting the columns with sum = 0 Importing the dataframe and turning it into a…

Changing color of a discord role

Everything is set up right, the bot is in the discord, connected, etc. This code: Gives this error: If anyone can find where I went wrong or any errors I’ve made, please help! Answer I would use the discord.Color.random() function for that as it looks like the problem occurs in your color-line. Re-write…

slow update of large JSON File

I have a large JSON file that contains serialized json dicts. I am trying to iterate this file and update based on the contents of another dict. The JSON file looks similar to: The function below, iterates each line of the JSON file and creates a “key_value” that’s a concatenation of item an…