Previously with open file name as file object. So type that into your browser. And that is an introduction into the pipe title matter. After all, if we're creating in a shopping cart, we don't know in advance. 20. My career on each time I've stopped just past the basics except with fightin pipe is beautifully simple and yet incredibly powerful. So, while active, we want our message, he goes input trump. So that is probably one of biggest programs we've written so far on the really is an excellent coming together off everything that we've learned so far throughout the course. So let's again take our birthday months. In a really world example, we previously looked at the find method on what that did waas. 107. Simulate passengers. So let's go. If not, please don't hesitate to ask me a question in the Q and A section, and as always, thank you for listening and I'll see you in the next lecture. The file will be sent to your email address. Where we passed, Tony started. We'll jump into your application list. How would we do that? If it had of being in there, we would have got the message. 94. Hey, hard back book. Let's run it again. The advantage of writing tests is that when it comes time for users to start using your programs, you can be certain that they work as expected. I look forward to seeing you in the next lecture. Now we're going to do here is we're just gonna change this fractionally. So here we have our file. Noto open. Let me go there now and simply type in Anaconda into your search bar on the 1st 1 that pops up for me. So we're going to assign seat so we have ceased and then we will have requests. So let's look at an example. Editing values in a dictionary: Hi, everybody. So here it is here, pointing doesn't actually need an else block at the end of if LF chain, by closing our program, what else were using it as a kind of catch old statement for anything over to $100 mark on applying an interest rate of 2% of that. 48. Double click it to run it except the times in conditions. There we go. Well, error. You can model almost anything using classes on Let's Start Simple by writing a book class, which obviously represents a book, not one book in particular, but an e book on what do we know about most books? We want to make sure that everything is property upper cased. When you look up a word, you get its definition, so I hope that explains piping dictionaries in a little bit more detail for you on the key value pairs on how dictionaries are created and the next lecture. Square equals value, so the value in the range to then squares equals upend square. If you have 15 10 or a 1,000,000 elements of it in your list, it can still store the same information on run the same programs on the lists. Run it again and there we go. Tony, let's change this example by typing the following first name equals Tony. There we go. But this is only a basic introduction into writing and saving the files. So return user name, then user equals. The following passengers have bean checked in. One of you is old enough to vote. Okay, So, money putting in one argument here because back in our function description, we set a default value off book type nonfiction, so we don't need the past. Close quote there. I look forward to seeing you in the next lecture. Required fields are marked *. So what we want to do is you want to print I'm going to use a nice little trick here. Okay, so here's the Anaconda Navigator. Admin users on normal users. Function alias: Hi, everybody. Oprah Case perfect will come back to this important function later, but I just wanted to get you familiar with it because we're going to be using it a lot in the lectures ahead. So how could we handle this a little bit better, cause obviously we don't want a program stopping like this if we cannot find a file, which is a very common task and probably a very common error. This method is useful when you don't need to use all of the values in a dictionary, so let's have a look. Okay, there we go. More about conduct. In this short lecture, we're gonna briefly discuss help install piping on both windows on Mac OS X. So we're gonna look here. Okay, So on the left hand side, here we have my reader dot p y. Tony stoned into my name, so we know when we run it were pulling in the right file. Big data on all of these books. This line, Talaxian admitted, defined in kindle fire, which in turn helps piping to call the enigmatic defined in a parent class. So what we do well, the import R E reader class into a separate file. And finally, what do we want to do? Object in the contents. Our ended. It could be nonfiction Could be fiction It could be romance, Whatever it is. 95. So far, we created a very simple list of months. Piping considers each of these a separate object. So it's around our second number input that the air can occur where users could enter zero . So that's called a list books, because that's exactly what it is. Nothing has gone wrong in a program on the user will never know. Country is installed. Let's work on calling this now. Print self The name. Create a function perfect on. We right. Perfect. And welcome back now. That's out in a comment using the reverse sort method. But sometimes you will need to check all of the conditions of interest. What I want to do is create a new heightened file. Okay, so we all know what that does. Now let's just recap our new method in comment. We have just used the PLO symbol to create our welcome message using the PLO symbol to combine strings. So if we got a middle name, well, then full name will be first name plus space plus middle name plus space, plus last name otherwise else a full name. Let's revisit that now. Would you like to make a deposit? When next We're gonna put in a function double four months are thea put off our e reader parameters. So let's start off with coordinates and let's just put in. So how would we overwrite that that Well, let's imagine, As I said, this is in her e reader class. We have to write separate programs and bring them all together. He quotes on new line. I have Officer, I have to Price and I have the publisher. So that's put in a month here and let's go with January. Let's run it again and see what we get. Perfect. Okay, you can see that visual code. If you've ever registered for any kind of online service, you will be familiar with the process that when you enter in a user name, a small little program runs in the background to see if that user name is available. That's what we want to do now is favorite lecture equals inputs. How do we increment that? It's just double check that version again. We store instances into variable my book. We movinto Object orientated program classes allow you to model real world objects such as dogs, cuts, people's cars, spaceships, whatever you want so that your code can represent anything real or abstract. The battery. But to keep track of many users and piece of pieces of information will need to use list and dictionaries with our wire loops. It involves some functions. So let's have a look.

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