Python Developer - Beginner to Expert

Digital, Personal development


  • Whether you are self-taught and you want to fill in the gaps for better efficiency and productivity, this Python Developer – Beginner to Expert course will set you up with a solid foundation to become a confident python developer and develop more advanced skills.

  • This comprehensive Python Developer – Beginner to Expert course is the perfect way to kickstart your career in the field of python. This accredited course will give you a competitive advantage in your career, making you stand out from all other applicants and employees.
  • As one of the leading course providers and most renowned e-learning specialists online, we’re dedicated to giving you the best educational experience possible. This course is crafted by industry expert, to enable you to learn quickly and efficiently, and at your own pace and convenience.

How Will I Benefit?

  • Boost your career in python
  • Deepen your knowledge and skills in your chosen field just in hours not years!
  • Study a course that has been designed by industry professionals.
  • Save money and time by studying your convenient time
  • Have access to a tutor whenever you are in need

So, what are you thinking about! Start getting the benefits by enrolling today!

Why Choose Lead Academy:

  • Lifetime Access
  • High-quality e-learning study materials 
  • The UK and globally recognised qualification
  • Self-paced, no fixed schedules
  • 24/7 customer support through email
  • Available to students anywhere in the world
  • No hidden fee
  • Study in a user-friendly, advanced online learning platform

Who is this course for?

  • This comprehensive Python Developer – Beginner to Expert course is suitable for anyone looking to improve their job prospects or aspiring to accelerate their career in this sector and want to gain in-depth knowledge of python.

What you will learn

Python Basics

  • What is Python? Installation and first Execution                
  • Variables, Creating and Running External Script, Interactive Shell               
  • Comments                         
  • Types of Variables                           
  • Math Operators                              
  • Exercise: adding VAT to products                             
  • Semicolon and ENTER – assigning multiple values to variables at once                     
  • Assignment operators                  
  • Playing with Strings (Slicing, adding and having fun)                        

Functions and Libraries Basics

  • Importing libraries, what are functions – basics                  
  • ATTENTION – important lecture about common mistake regarding functions                       
  • Taking data from user and type conversion (casting)                       

Conditional statements

  • Comparison (Relational) Operators                         
  • Instruction ‘if’ why INDENTATION is IMPORTANT in Python | DO NOT SKIP!                          
  • EXERCISE: Simple Calculator                        
  • Values different than 0                 
  • Logical Operators                            


  • Loop while                         
  • EXERCISE: Adding numbers taken from the user                
  • Loop for                              
  • Instruction break and continue                 
  • EXERCISE: Guess the number                     


  • What are Lists? Basic operations on lists                
  • Checking if element is ‘in’ or ‘not in’ the list                         
  • Operating on lists with Functions                             

Advanced Types

  • Tuples – what does immutable mean?                   
  • Dictionaries                       
  • Sets                      
  • Operations on sets                         
  • Nested types                    
  • Processing nested types using loops                       
  • Dictionary inside Dictionary, Dictionary inside List – when to choose which?                         
  • Extracting (Iterating Through) values from nested dictionaries                    
  • EXERCISE: Dynamic dictionary with definitions                   


  • List comprehensions                     
  • Generator Expressions                 
  • Dictionary Comprehensions                       
  • Set Comprehension                       
  • EXERCISE: Finding numbers that are divisible by 7, but are not divisible by 5                          

Functions - Basics

  • What are functions? How to create a function? Why should we use functions?                    
  • Multiple parameters in function (passing more arguments)                          
  • Returning values from function                 

Functions - Advanced

  • Multi module application | How to import your own module?                    
  • enum – what it is and why you should use it?                      
  • EXERCISE: Sum of all numbers up to the one entered by user | IMPORTANT lecture                          
  • Measuring PERFORMANCE of code | How well (fast) some part of code work | time                         
  • Function as argument of another function | How to measure performance of func                            
  • Default Arguments                         
  • Named (keyword) and unnamed (positional) arguments               
  • EXERCISE – checking if value is in container                          
  • Variable Length Argument (Multiple Arguments sent and saved in single parameter)                        
  • Local vs Global Variables – scope – lifetime of variables                  
  • Mutable vs immutable objects                  
  • Shallow vs Deep copy of object                 
  • Lambda | Anonymous functions – what are they? when should you use them?                   

Random Numbers

  • Drawing random numbers – creating a program that checks if you hit the monster                            
  • Random events – choice vs choices function                       
  • Shuffle – shuffling cards in ‘war’ game                   
  • EXERCISE: Drawing elements without REPETITION – lottery game – 6 numbers from 49                    
  • EXERCISE | GAME | Drawing random chests colours with random rewards                            
  • EXERCISE | GAME | Drawing approximate value to a certain value                            

Working With Files in Python and Exceptions

  • What is a file? How to create it? Why do we need to CLOSE it? How to save data?                              
  • Exceptions, try, finally block                        
  • Opening the file using: with… as…:                           
  • Reading the content of file – read vs readlines, splitting lines, encoding                  
  • seek and tell – changing and reading the position of last operation in file               
  • Append – Adding Text at the end of file                 
  • A+, R+, W+ – two function file opening modes                   
  • Keyword except – catching exceptions – EXERCISE – loading names and surnames                             


  • What is JSON? Why do we use it? What problems does JSON solve?                        
  • Creating and saving data from Python in JSON format to file and String                   
  • Loading data from JSON file to Python                   
  • Pretty Printer – loading/saving pretty and sorted JSON                   

pip and PyPi - using External Packages

  • What is pip and PyPi? Installing and playing with external package – request                        
  • Loading data from server from JSON file – preface to next EXERCISE                         
  • Processing JSON data | extracting top values from list of dictionaries                       
  • SOLUTION 1: Retrieving a few users from server at the same time                             
  • SOLUTION 2: Retrieving a few users from server at the same time                             
  • SOLUTION 3: Retrieving a few users from server at the same time                             
  • Defaultdict supplying missing values of dictionary when accessing empty element                            


  • What is public API? Where to find them? stackoverflow API                        
  • Getting JSON from -> getting top questions from last week                   
  • Opening websites from Python code – webbrowser module                        
  • Getting records from last week – datetime module                          
  • EXERCISE: Cat facts                         
  • EXERCISE: random CAT images by breed               
  • Authorization – log in using API key – getting holiday calendar                    

API - header authorization - POST % DELETE

  • Authorization through header – settings               
  • EXERCISE: CAT system – introduction                      
  • POST – adding a cat to favourite list                        
  • DELETE – removing a cat from favourite list                         

Visual Studio Code - Installation and Setting

  • VSC – Downloading and installing                             
  • Setting up the workspace in VSC and installing basic extensions                 
  • Linter – what is linting – how to use it, settings in .vscode                             
  • Code Runner | Custom Shortcuts | Shortcuts from other editors, Interactive shell                              
  • Auto Save – making sure your file is saved after each change                       
  • Snippets and pass keyword                        
  • Automatic code formatting                         
  • Debugging mode – how to professionally debug your code?                        
  • Ligatures – custom font created especially for programmers – Fira Code                

Visual Studio Code - Useful Extensions

  • Icons theme                      
  • Bracket Pair Colorizer – improving readability of your code                           
  • Python Preview – watching the code execution while writing it                   
  • Python Quick Print                          
  • Code Spell Checker                        
  • What is Object Oriented Programming?                

OOP - Object Oriented Programming

  • What are objects and classes? How to create a simple object and class?                 
  • Creating your first method – what is “self”?                         
  • __init__ – sending arguments to class for initialization                    
  • EXERCISE: Create rockets that can move up                         
  • Document String – docstring                      
  • __str__ – dunder method representing text of object                     
  • EXERCISE: Organizing more than one class – Rocket Board                            
  • __getitem__, __setitem__ – setting and getting values using dunder methods                    
  • EXERCISE: Counting distance between rockets                   
  • Is it important to understand math that was used in the last lecture?                       
  • Static Methods                
  • Setting type for variables using annotations – Pyright extension                
  • __len__               
  • class / static variables – creating USER with unique ids                    
  • EXERCISE: Bank Account – withdraw/deposit money                       
  • How to properly handle returned values from methods?               
  • Inheritance and method overriding – super()                      
  • EXERCISE: Inheritance on practical example – result                         
  • EXERCISE: playing with cube, square and rectangle                           
  • Inheritance vs association – when to use which?               

Generator functions

  • Generator functions – yield keyword                      
  • EXERCISE: Generate infinite amount of numbers multiplied by themselves                            
  • send method – how to send a value into a generator?

What you require

Entry Requirement

  • There are no academic entry requirements for this Python Developer – Beginner to Expert course, and it is open to students of all academic backgrounds. 
  • As long as you are aged seventeen or over and have a basic grasp of English, numeracy and ICT, you will be eligible to enrol.


  • On successful completion of the Python Developer – Beginner to Expert course, you will be eligible to order your certificate of achievement as proof of your new skill. The certificate of achievement is an official credential that confirms that you successfully finished a course with Lead Academy. You/your employer can verify your certificate through our website. Certificate can be obtained in PDF version at a cost of £12, and there is an additional fee to obtain a printed copy certificate which is £35.

Career path

  • This Python Developer – Beginner to Expert course opens a brand new door for you to enter the relevant job market and also provides you with the chance to accumulate in-depth knowledge at the side of needed skills to become flourishing in no time. You will also be able to add your qualifications to your CV, enhance your career and become more competitive in your chosen industry.



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