Tell us what’s happening:
I am failing a few tests which and i don’t understand why.
Your code so far
import math
class Category:
def __init__(self, category): # initialize the category
self.category = category
self.ledger = [] # different ledger for different category
def __str__(self): # rewrites how object is converted to a string when you print it
title = f"{self.category:*^30}\n" # max 30 width, ^aligned center, filled with *
transactions = ""
total = 0
for item in self.ledger:
desc = item['description'][:23] # limit to 23 chars
amount = f"{item['amount']:.2f}" # 2 decimal places
transactions += f"{desc:<23}{amount:>7}\n" # desc: 23 width, amount: 7 width
total += item['amount']
return title + transactions + f"Total: {total:.2f}"
def deposit(self, amount, description=""):
self.ledger.append({'amount': amount, 'description': description})
def withdraw(self, amount, description=""):
# using the check_funds function
if self.check_funds(amount):
self.ledger.append({'amount': -amount, 'description': description})
return True
else:
return False
def get_balance(self):
total_amount = 0
for item in self.ledger:
total_amount += item['amount'] # add every amount to check total balance
return total_amount
def transfer(self, amount, category):
# self is the category where we are transferring from
if self.check_funds(amount): # check funds
self.withdraw(amount, f'Transfer to {category.category}') # withdraw from self
category.deposit(amount, f'Transfer from {self.category}') # deposit in destination category
return True
else:
return False
def check_funds(self, amount): # returns if the amount is greater than available balance
if amount <= self.get_balance():
return True
else:
return False
def create_spend_chart(categories):
total = calculate_total(categories) # calculate total
percentage = {}
for category in categories:
withdrawals = calculate_withdrawals(category) # calculate individual withdrawals
# category is the object so category.category gives string name
percentage[category.category] = math.floor((withdrawals / total) * 100 / 10) * 10 # rounds to nearest 10
# now create chart
row_strings = ""
for percent in range(100, -1, -10):
row_strings += f'{percent:>3}|'
for category in categories:
if percentage[category.category] >= percent:
row_strings += ' o '
else:
row_strings += ' '
row_strings += ' \n' # Ensure 2 spaces after each bar (for separation)
# create the horizontal line (correct dash length)
dash_line = " " + "-" * (len(categories) * 3 + 2) # 3 spaces per category and 2 more spaces after the last category
row_strings += dash_line + '\n'
# write the category names vertically
max_length = max(len(category.category) for category in categories) # find the max length of category names
for i in range(max_length):
row = " " # 5 spaces to align the categories
for category in categories:
if i < len(category.category): # to avoid index error (if there is no item in the index)
row += category.category[i] + " "
else:
row += " "
row_strings += row.rstrip() + " \n" # Ensure 2 extra spaces after the final category
return 'Percentage spent by category\n' + row_strings.rstrip() # Remove trailing newline
def calculate_withdrawals(category): # calculate withdrawal amount for each category
spending = 0
for item in category.ledger:
if item['amount'] < 0:
spending -= item['amount'] # for the positive value of withdrawals
return spending
def calculate_total(categories):
total = 0
for category in categories:
for item in category.ledger:
if item['amount'] <= 0:
total -= item['amount']
return total
# Example usage:
food = Category('Food')
clothing = Category('Clothing')
others = Category('Others')
food.deposit(1000, "deposit")
food.transfer(200, clothing)
food.transfer(300, others)
food.withdraw(50, "momos")
clothing.withdraw(98, 'Gucci')
others.withdraw(100, "entertainment")
print("Food Ledger:", food.ledger)
print("Clothing Ledger:", clothing.ledger)
print("Others Ledger: ", others.ledger)
print(create_spend_chart([food, clothing, others]))
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Challenge Information:
Build a Budget App Project - Build a Budget App Project
