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GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Skip to content. Permalink Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. Branch: master. Find file Copy path. Raw Blame History. Level description Level Description Level 1 Beginner means someone who has just gone through an introductory Python course.

He can solve some problems with 1 or 2 Python classes or functions. Normally, the answers could directly be found in the textbooks. Level 2 Intermediate means someone who has just learned Python, but already has a relatively strong programming background from before. He should be able to solve problems which may involve 3 or 3 Python classes or functions.

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The answers cannot be directly be found in the textbooks. Level 3 Advanced. He should use Python to solve more complex problem using more rich libraries functions and data structures and algorithms. He is supposed to solve the problem using several Python standard packages and advanced techniques. Problem template Question Hints Solution 3. Questions Question 1 Level 1 Question: Write a program which will find all such numbers which are divisible by 7 but are not a multiple of 5, between and both included.

The numbers obtained should be printed in a comma-separated sequence on a single line. The results should be printed in a comma-separated sequence on a single line. Suppose the following input is supplied to the program: 8 Then, the output should be: Hints: In case of input data being supplied to the question, it should be assumed to be a console input.

Suppose the following input is supplied to the program: 34,67,55,33,12,98 Then, the output should be: ['34', '67', '55', '33', '12', '98'] '34', '67', '55', '33', '12', '98' Hints: In case of input data being supplied to the question, it should be assumed to be a console input. Also please include simple test function to test the class methods. H is D is the variable whose values should be input to your program in a comma-separated sequence.

Example Let us assume the following comma separated input sequence is given to the program:The output of the program should be: 18,22,24 Hints: If the output received is in decimal form, it should be rounded off to its nearest value for example, if the output received is Example Suppose the following inputs are given to the program: 3,5 Then, the output of the program should be: [[0, 0, 0, 0, 0], [0, 1, 2, 3, 4], [0, 2, 4, 6, 8]] Hints: Note: In case of input data being supplied to the question, it should be assumed to be a console input in a comma-separated form.

Suppose the following input is supplied to the program: without,hello,bag,world Then, the output should be: bag,hello,without,world Hints: In case of input data being supplied to the question, it should be assumed to be a console input. Suppose the following input is supplied to the program: hello world and practice makes perfect and hello world again Then, the output should be: again and hello makes perfect practice world Hints: In case of input data being supplied to the question, it should be assumed to be a console input.

We use set container to remove duplicated data automatically and then use sorted to sort the data. The numbers that are divisible by 5 are to be printed in a comma separated sequence. Example: , Then the output should be: Notes: Assume the data is input by console.

Hints: In case of input data being supplied to the question, it should be assumed to be a console input. Suppose the following input is supplied to the program: hello world!

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Suppose the following input is supplied to the program: Hello world! Suppose the following input is supplied to the program: 9 Then, the output should be: Hints: In case of input data being supplied to the question, it should be assumed to be a console input.

The list is input by a sequence of comma-separated numbers. Suppose the following input is supplied to the program: 1,2,3,4,5,6,7,8,9 Then, the output should be: 1,3,5,7,9 Hints: In case of input data being supplied to the question, it should be assumed to be a console input. The transaction log format is shown as following: D W D means deposit while W means withdrawal. Suppose the following input is supplied to the program: D D W D Then, the output should be: Hints: In case of input data being supplied to the question, it should be assumed to be a console input.The e-book has pages.

It has 92 code examples. Many of the examples are unique; a reader will not find them anywhere else. It is an ideal material for those who already know some basics of wxPython library. Carefully chosen examples always focus on one important aspect. Unless it is a more complex example. Buying this e-book you will save a lot of hours searching on the Internet, asking on forums and figuring things on your own. What took the author months and weeks to find out, you will get in days and hours.

The e-book is written in plain English. The code examples were tested on Linux and Windows. Python 2. After purchasing the e-book, you will obtain a zip file. With the pdf file, you will also obtain all code examples. This is Advanced wxPython e-book.

This e-book is a tutorial, which covers several interesting parts of the library. The first chapter presents 18 examples for Cairo graphics library. We will work with colours, shapes, gradients. Reflection, star animation, aliens example are among other code examples. Layout management is considered to be one of the most difficult areas of GUI programming. Writers usually only skim the topic, covering the very basics of it.This section covers some features of the Python language which can be considered advanced — in the sense that not every language has them, and also in the sense that they are more useful in more complicated programs or libraries, but not in the sense of being particularly specialized, or particularly complicated.

It is important to underline that this chapter is purely about the language itself — about features supported through special syntax complemented by functionality of the Python stdlib, which could not be implemented through clever external modules.

The process of developing the Python programming language, its syntax, is very transparent; proposed changes are evaluated from various angles and discussed via Python Enhancement Proposals — PEPs.

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As a result, features described in this chapter were added after it was shown that they indeed solve real problems and that their use is as simple as possible. Duplication of effort is wasteful, and replacing the various home-grown approaches with a standard feature usually ends up making things more readable, and interoperable as well.

An iterator object allows to loop just once. It holds the state position of a single iteration, or from the other side, each loop over a sequence requires a single iterator object. This means that we can iterate over the same sequence more than once concurrently. Separating the iteration logic from the sequence allows us to have more than one way of iteration. The iter function does that for us, saving a few keystrokes. When used in a loop, StopIteration is swallowed and causes the loop to finish.

But with explicit invocation, we can see that once the iterator is exhausted, accessing it raises an exception. Using the for. This allows us to transparently start the iteration over a sequence. But if we already have the iterator, we want to be able to use it in an for loop in the same way. Support for iteration is pervasive in Python: all sequences and unordered containers in the standard library allow this.

The concept is also stretched to other things: e. A second way in which iterator objects are created is through generator expressionsthe basis for list comprehensions. To increase clarity, a generator expression must always be enclosed in parentheses or an expression. If round parentheses are used, then a generator iterator is created. If rectangular parentheses are used, the process is short-circuited and we get a list.

The list comprehension syntax also extends to dictionary and set comprehensions. A set is created when the generator expression is enclosed in curly braces. A third way to create iterator objects is to call a generator function. A generator is a function containing the keyword yield. When a normal function is called, the instructions contained in the body start to be executed. When a generator is called, the execution stops before the first instruction in the body. An invocation of a generator function creates a generator object, adhering to the iterator protocol.

As with normal function invocations, concurrent and recursive invocations are allowed. When next is called, the function is executed until the first yield. Each encountered yield statement gives a value becomes the return value of next.

After executing the yield statement, the execution of this function is suspended. Contrary to a normal function, where executing f would immediately cause the first print to be executed, gen is assigned without executing any statements in the function body. Only when gen. The second next prints -- middle -- and execution halts on the second yield. The third next prints -- finished -- and falls of the end of the function. Since no yield was reached, an exception is raised.

What happens with the function after a yield, when the control passes to the caller? The state of each generator is stored in the generator object. From the point of view of the generator function, is looks almost as if it was running in a separate thread, but this is just an illusion: execution is strictly single-threaded, but the interpreter keeps and restores the state in between the requests for the next value.Python is known as a high-level, interpreted and object-oriented programming language.

It was developed by Guido van Rossum. Python is easy to learn, easy to use and maintain, portable, extendable scalable, GUI programming. Python can be used as a scripting language. It supports automatic garbage collection, provides the high-level dynamic type and dynamic type checking.

Python has the list of commands which is used while doing the programming for the same. Example: type 20its type is int. Example: type 1, 2, 3a type is a tuple. Use the enumerate function to iterate the object.

Use dynamic typing. Use operators while comparing the values. Use conditional expressions for better result. Use modules to make the programs separate and reusable. Conclusion Python commands are easy to use, easy to write and easy to learn. It is very versatile and helps in achieving the result in different ways.

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Python is one of the most used languages in automation nowadays as it is diverse and well-developed language. The above commands help you in getting the brief idea about the uses of python commands and how it can be used.

Python commands should be well managed and well written to get good performance.

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Python is a widely used language and has a large community to support. It has a good career at present and in future as well in IT industry. The one can learn python commands easily as it is simple and straight forward for the one who knows object-oriented programming.

The organizations are demanding python at a higher level as well to accomplish their targets and people are earning really good in this expertise. This has been a guide to Python Commands. Here we have discussed basic as well as advanced Python Commands and some immediate Python Commands. You may also look at the following article to learn more.Read through our Free Python Guide for beginners to gain immense knowledge on Python concept.

If you want to sort the elements in Ascending orderthen you can use the following syntax. If you want to sort the elements in Descending orderthen you can use the following syntax. Thus sort method is used to arrange a list in either Ascending or Descending order. One more important thing to remember here is that sort method changes the order of the list permanently.

Python Programming Examples

If you want to change the order of the list temporarily, then you need to use sorted function. In order to maintain the original order of the list that is present in sorted order, you can use the sorted function. The sorted function allows you to display your list in a particular order, without affecting the actual order of the list.

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You can also print the list in a reverse order using the sorted function in the following manner:. In order to reverse the original order of a list, you can use the reverse method. The reverse method is used to reverse the sequence of the list and not to arrange it in a sorted order like the sort method.

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Hence in order to get back to the original sequence of the list apply the reverse method again to the same list. If the same element is present more than once, then it returns the position of the first element. The index in python starts from 0. If you search for an element which is not present in the list, then You will get an error.

At times, You may want to start with an existing list and make an entirely new list based on the first one. In order to copy a list, you can make a slice that includes the complete original list by omitting the first index and the second index [:]. This, in turn, will tell Python to make a slice that starts at the first item and ends with the last item, by producing a copy of the entire list. For Exampleimagine we have a list of our favorite foods and we want to make a separate list of foods that a friend likes.

This friend likes everything in our list so far, so we can create that list by copying ours. When we print each list, we see that they both contain the same foods.

Python Code Examples

Python join list means concatenating a list of strings to form a string. For Exampleconvert a list to a comma separated string to save in a file. Let's understand this with an Example:. Example :. In the above example, we have taken a list of numbers and using the sum function we have added all the numbers.This is the official tutorial.

It covers all the basics, and offers a tour of the language and the standard library. Recommended for those who need a quick-start guide to the language.

Real Python is a repository of free and in-depth Python tutorials created by a diverse team of professional Python developers. At Real Python you can learn all things Python from the ground up. Everything from the absolute basics of Python, to web development and web scraping, to data visualization, and beyond.

The tutorial includes exercises. It covers the basics and there are also in-depth lessons like object oriented programming and regular expressions. It covers many Python concepts in depth. It also teaches you some advanced constructs of Python like lambda expressions and regular expressions.

Python Commands

The website takes the same approach used on the popular Try Ruby website. It has an interactive Python interpreter built into the site that allows you to go through the lessons without having to install Python locally. If you want a more traditional book, Python For You and Me is an excellent resource for learning all aspects of the language. Each tutorial is supplemented with logically added coding snippets and equips with a follow-up quiz on the subject learned.

advanced python code examples pdf

There is a section for Python interview questions to help job seekers. You can also read essential Python tips and learn best coding practices for writing quality code. Learn Python Basic to Advanced. Online Python Tutor gives you a visual step-by-step representation of how your program runs. This book teaches Python programming and basic cryptography for absolute beginners.

The chapters provide the source code for various ciphers, as well as programs that can break them. Also known as Python for Programmers with 3 Hoursthis guide gives experienced developers from other languages a crash course on Python.Last Updated on April 6, If you are just getting started with Data Science. And now rather than explaining to you the importance of cheat sheets, why not just begin with the most useful Python resources available on the internet for free in the form of cheat sheet.

This Python Cheat Sheet presents the Python basics that you need to do data science and will guide you through variables and data types, Strings, Lists, to eventually land at the fundamental package for scientific computing with Python, Numpy. Get started for free! This Python Cheat is from the Book Python Crash Course which aims to remind you of syntax rules and grasp all the important concepts in Python programming as a beginner. This cheat sheet assumes you are familiar with the content of the Python Basic Cheat Sheet from Dataquest.

advanced python code examples pdf

This Python Cheat Sheet from Datacamp provides everything that you need to kickstart your data science learning with Python. Join overothers in the Python Specialization offered by the University of Michigan through Coursera.

advanced python code examples pdf

This cheat sheet assumes you are familiar with NumPy. This Python Cheat Sheet will guide you to interactive plotting and statistical charts with Bokeh. Python Bokeh Cheat Sheet is a free additional material for Interactive Data Visualization with Bokeh Course and is a handy one-page reference for those who need an extra push to get started with Bokeh.

This cheat sheet will walk you through making beautiful plots and also introduce you to the basics of statistical charts. Pandas is a data-centric Python package. We hope this cheat sheet will help you out!

If you are interested in learning, you can signup for free and start learning Pandas for Data Science Course offered by Dataquest. Do add your favourite Python Cheat Sheet in the comments below.

You may also be interested in checking the list of Machine Learning Cheat Sheets in Python and Maths or listening to a Python Podcast to bootstrap your knowledge in Python. Feel free to subscribe. Spot a mistake or want to help improve this page?

Please let us know. Python for Data Science Cheat Sheet 2.