Given an adress, how can I access the object in Python? Question: How can I access a Python object by it’s address that I get from id(self.__dict__)? The background is the following, I want to access one class instance from the other (both classes mimic custom dictionaries): class1: def __init__(self): self.a = class2(self) # I …
Python Dynamic Programming Problem – ( 2 dimension recursion stuck in infinite loop ) Question: In the book "A Practical Guide to Quantitative Finance Interview", there is a question called Dynamic Card Game, 5.3 Dynamic Programming) The solution according to the book is basically the following: E[f(b,r)] = max(b−r,(b/(b+r))∗E[f(b−1,r)]+(r/(b+r))∗E[f(b,r−1)]) with the following boundary conditions. f(0,r)=0, …
Property setter triggers infinite recursion, why? Question: Using the @property + setter encapsulation, I need a class that raises an exception when someone tries to change the account_number. However, in the __init__ function, I need to set the value. This is the code, it generates recursion. class SingleBankAccount: def __init__(self, account_number, account_balance): self.account_number = account_number …
