Basic of Python

  basic Python concepts:

• Variables: Variables are used to store data in Python. They can be assigned to any type of data, such as numbers, strings, lists, and dictionaries.
• Operators: Operators are used to perform operations on data. Some common operators in Python include addition, subtraction, multiplication, division, and modulus.
• Control flow statements: Control flow statements allow you to control the order in which your code is executed. Some common control flow statements in Python include if statements, for loops, and while loops.
• Functions: Functions are blocks of code that can be reused. They are a way to organize your code and make it more reusable.
• Libraries: Libraries are collections of pre-written code that can be used to perform specific tasks. There are many libraries available for Python, including the standard library and third-party libraries.

Here is a simple Python program that adds two numbers:

Python

def add_numbers(x, y):
  """Returns the sum of x and y."""
  return x + y

print(add_numbers(10, 20))

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This program first defines a function called add_numbers. The add_numbers function takes two numbers as input and returns the sum of the two numbers. The print statement then prints the result of calling the add_numbers function with the numbers 10 and 20 as input.

To run this program, you can save it as a Python file and then run it from the command line. For example, if you save the code as add_numbers.py, you can run it by typing the following command into the command line:

Python

python add_numbers.py

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This will print the value 30, which is the sum of 10 and 20.

I hope this helps! Let me know if you have other questions about Python.