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When programming you often need to keep track of multiple data about a real world object and provide some ways of changing that data in specific ways. Let's take a common first example: say you're building a program that'll run on an ATM. Then you will need to look up accounts which could have associated data like the type of account (checking vs savings, etc), the balance, the date it was opened, the owner, etc. And you'll want to be able to do certain things to the account like retrieve its balance, make a withdrawal, close it, etc. So you could build a class for accounts that looks something like this. # I'm going to need a datetime object later on import datetime # header syntax class Account: # __init__ is the method (a function inside a class is called a method) # where we set up the data we want to keep track of for a new object. # Notice that all methods have a first parameter called self. Don't # worry why just yet, just don't forget to add it. def __init__(self, acc_type, initial_balance, owner, date_opened=None): self.type = acc_type self.balance = initial_balance self.date_opened = date_opened or datetime.datetime.today() self.owner = owner # We'll also want to be able to withdraw funds. But ONLY if there is # enough in the account to be able to withdraw the requested amount. def withdraw(self, amount): if self.balance >= amount: self.balance -= amount else: # Assume that I've defined this error somewhere previously. raise InsufficientBalanceError As you can see, a class is just a way to keep track of all of the data about a particular real-world (usually) object as well as any functions that we want on use with that data. And now that we've defined this new data type/ class, we can create objects like this. jims_account = Account('checking', 12, 'James Darkmagic') omins_account = Account('savings', 2000, 'Omin Dran') And then if Omin wanted to make a withdrawal, we'd use dot notation to call the withdraw method. print(omins_account.balance) # 2000 omins_account.withdraw(500) print(omins_account.balance) # 1500 If we tried the same on Jim's account (jims_account.withdraw(500)), we'd get an InsufficientBalanceError because he only has 12 gp in his account. One thing to note is that classes are not necessary to write any program, but they make organization easier and help the programmer keep a better mental model of the data types that are in play. Now here's a question to see if you've understood. Can you think of some other class that might be useful to create for an ATM/ banking program? What types of data and methods (functions) would you collect together into the class? More on reddit.com

Hey welcome! Try the wiki for this community on the sidebar. You can also search this subreddit for “beginner” or “beginner course” to see the replies since this question is asked every day. The top answers I see are CS50, MOOC.fi, and Python Crash Course. They all teach the fundamentals and none of them are better than the other, just different styles. Pick the style suited best to your learning. Start one and if you don’t like it, hop to another. More on reddit.com

100 days or Python and Python Crash Course (book) were my path. I learned a lot, but I'll also say coding is about hitting problems and going to look for answers when you get stuck. That is part of the skill set, so don't expect any course to teach you everything . You will forget things along the way and have to go research as you go as well. More on reddit.com