Build a Budget App - Build a Budget App

Python
1

Tell us what’s happening:

Can someone help me as to why my deposit function isn’t working? I think it is creating an object in the ledger but the console says otherwise.

Also, can someone tell me why balance is unbound when I check it at check_funds? I get an error saying cannot access local variable ‘balance’ where it is not associated with a value

Your code so far

class Category:
    def __init__ (self, name):
        self.name = name
        self.ledger = []
        self.balance = 0

    def deposit(self, amount, description = ""):
        self.balance += amount
        self.ledger.append({'amount': amount, 'description': description})
    
    def withdraw(self, amount, description = ""):
        if self.check_funds(amount):
            balance -= amount
            self.ledger.append({'amount': amount, 'description': description})
            return True
        else:
            return False
    
    def check_funds(self, amount):
        if (amount > self.balance):
            return False
        else:
            return True

def create_spend_chart(categories):
    pass

food = Category("Food")
food.withdraw(-5)
print(food.ledger)

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Challenge Information:

Build a Budget App - Build a Budget App

2

Hi @niladrideb ,

Traceback (most recent call last):
  File "main.py", line 29, in <module>
  File "main.py", line 13, in withdraw
UnboundLocalError: cannot access local variable 'balance' where it is not associated with a value

Does your class have an instance variable named balance?

A withdraw method that accepts an amount and an optional description (default to an empty string). The method should store in ledger the amount passed in as a negative number

The withdrawal should be negated in the method, not the function call.

Why do you think your deposit method isn’t working? How have you tested it?

Happy coding!

3

Oh I see. I have changed that and changed balance -= amount to self.balance -= amount

Now I gotta ask this - the withdraw method should create a specific object in the ledger when called and should make an entry with blank description when it is not provided. I think my code does that but why does it not satisfy these conditions? Is there anywhere I am going blind while writing the code?

4

What if you don’t have enough money to make a withdrawal?