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Python Programming Assignment: Expense Tracker Application

Objective

Develop a console-based Expense Tracker application in Python that allows users to monitor and manage their daily expenses. This project will help you practice fundamental Python concepts such as data structures, file handling, user input, and functions.

Requirements

1. Add Expense

Functionality: Allow users to input new expenses with the following details:
Amount: A positive number representing the cost.

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	async function poll(fn, fnCondition, ms, attemptsLimit) {
	let attempts = 0;
	let result = await fn();
	while (fnCondition(result) && attemps < attemptsLimit) {
	await wait(ms);
	result = await fn();
	attempts++;
	}
	return result;
	}


	def escape_csv(user_generated_string):
	"""
	CSV injection esacaping for Python. Excel treats a string as active content when it encounters a
	"trigger" character at the start of the string. This method returns the string with
	the triger character escaped.
	"""

	if user_generated_string[0] in ('@','+','-', '='):
	user_generated_string = "'" + user_generated_string

	function applyChanges() {
	this.isSaving = true;
	for (const key of Object.keys(this.buffer)) {
	this[key] = this.buffer[key];
	}
	this.buffer = {};
	delete this.isSaving;
	}

	function rollback() {

	import Ember from 'ember';

	export default Ember.Component.extend({
	});