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Fundamentals of Python| How to Learn Python (Step-By-Step) in 2023

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Python is a versatile language that can be used for a variety of purposes, from web development to data analysis. It is also one of the most popular programming languages in the world, and it is predicted to be one of the most in-demand programming languages in 2023.

If you are interested in learning Python, this guide will teach you everything you need to know. We will start with the basics, such as the different data types that Python supports, and we will walk you through the steps of creating a new variable. We will also discuss how to use Python for programming and web development projects.

By the end of this guide, you will be able to write basic Python programs and understand how to use Python for various purposes.

What Is Python and Why Learn It?

Python is a general-purpose, high-level, interpreted programming language.

It is known for its ease of use and readability, making it a popular choice for beginners. Python is a versatile language and can be used for everything from web development to scientific computing. If you're interested in learning Python, this guide will walk you through the steps you need to take.

In Python, what basic data types can I work with?

In Python, you can work with the following basic data types:

Integers: These are whole numbers, such as 1, 2, and 3.

Floating-point numbers: These are numbers with a decimal point, such as 1.23, 2.56, and -3.14.

Strings: These are sequences of characters, such as "Hello", "Goodbye", and "Python".

Booleans: These are True or False values.

Lists: These are ordered collections of items, such as [1, 2, 3] and [red, green, blue].

Dictionaries: These are unordered collections of key-value pairs, such as {1 : "one", 2 : "two"} and {cat : "furry", dog : "pooch"}.

How Can I Create a New Variable in Python?

In order to create a new variable in Python, you first need to open the interactive shell.

Type "var = 10" and press enter. This will create a new variable called "var" and assign the value 10 to it.

To print the value of a variable, type "print(var)" and press enter.

How to Write Simple Python Programs

Writing simple Python programs is actually quite easy. All you need is a basic understanding of the language and how to work with its basic data types. In Python, you can create variables in two ways: with the “=” operator or the “+=” operator. With the “=” operator, you assign values to a variable; with the “+=” operator, you can add a value to an existing variable. To create lists in Python, use square brackets and separate list elements by commas. You can also use dictionaries and sets to store data. Once you understand these fundamentals, you can begin writing programs in Python.

How to Use Lists, Dictionaries, and Tuples

Learning to use lists, dictionaries, and tuples will give you an in-depth understanding of how Python works. Lists are sequences of values and can be modified after being defined. Dictionaries are also known as key-value pairs, meaning that each value has a key associated with it. Finally, tuples are collections of values that cannot be modified after creation.

To create a new variable with one of these data types in Python, you must first declare the name of the variable, followed by an equals sign (=), followed by the data type you wish to assign it. You'll then use the brackets ([] or {}) to indicate which type of data structure your variable is assigned to. For example: list_variable = [1,2,3]. Once your variable is declared and assigned a type, you can easily append or remove items from it as needed.

How to Debug Your Code and Ask for Help

If something doesn't quite work, you can use the built-in debugger to figure out what went wrong. To access the debugger, open your code in an IDE such as VSCode or Spyder, and then click on the 'Debug' tab. From there, you can go line-by-line to see where the code isn't running right and make adjustments as needed.

It's also important to remember that it's totally normal to ask for help when you're learning something new. It can be intimidating to reach out when you're feeling stuck, but there are lots of online communities and forums that are dedicated to helping people learn Python. Don't be afraid to reach out for help if you need it!

Learn the basics of Python 

If you are a College student learning the basic fundamentals of Python or a Data Science expert using python to analyze your data who is just getting started with python and want a fast and detailed course to easily get started with python and then move forward, IDigitalPreneur Fundamentals of Python course will help you accomplish your goals.

 

  • Master the Features of Python Language

  • Install Python

  • Execute your first python program

  • Learn various simple types as well as collection types lists and tuples

  • Work on various Use Cases to apply you Python knowledge

  • Define logic using conditional statements ,looping constructs

  • Use the different types of operators

  • See the input and output functions in action

  • Create and use functions

What are the requirements?

  • A laptop and internet connection

Skills you’ll learn after the course :

  • Master the Fundamentals of Python Language

  • Install Python

  • Execute your first python program

  • Learn various simple types as well as collection types

  • Define logic using conditional statements ,looping constructs

  • Use the different types of operators

  • See the input and output functions in action

  • Create and use functions

  • A Python project

Conclusion

In this article, we have outlined the best way to learn Python in 2023. We have shown that you should start by learning the basic data types that you can work with in Python. Once you have learned the basics, you can then move on to creating new variables in Python. Finally, we have shown that you should continue practicing Python so that you can improve your skills.