Python crash course for beginners 2021
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python crash course tutorial for beginners 2021
python is a versatile and easy-to-learn programming language that is perfect for beginners. in this tutorial, we will cover the basics of python by providing a crash course for beginners in 2021.
1. installation:
first, you need to install python on your machine. you can download the latest version of python from the official website (https://www.python.org/). follow the installation instructions for your operating system.
2. python basics:
python is known for its simplicity and readability. here are some basic concepts to get you started:
variables: variables are used to store data values. they can hold different types of data such as integers, strings, lists, etc.
data types: python supports various data types including integers, floats, strings, lists, tuples, and dictionaries.
control structures: python uses if-else statements, loops (for and while), and functions to control the flow of the program.
functions: functions are blocks of code that perform a specific task. they can take parameters and return values.
modules: python has a rich library of modules that provide additional functionalities. you can import these modules into your program using the `import` keyword.
3. code example:
here is a simple python program that calculates the sum of two numbers:
in this code example:
we define a function `calculate_sum` that takes two numbers as input and returns their sum.
we assign values to `num1` and `num2`.
we call the `calculate_sum` function with `num1` and `num2` as arguments, and store the result in the `result` variable.
finally, we print the sum of the two numbers using an f-string.
4. practice:
to solidify your understanding of python, it's important to practice writing code regularly. you can try solving coding challenges on platforms like leetcode, hackerrank, or codecademy. additionally, you can work on small projects to apply your python skills in real-world scenarios.
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