Lesson 1: Introduction to Python
Objective: Write and run your first Python program.
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What is Python?
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Installing Python & IDLE/VS Code.
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Write and Run your first Python code online.
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print(), variables (x = 5), basic math.
What is Python?
Python is a popular programming language. It was created by Guido van Rossum, and released in 1991. It is used for:
- web development (server-side),
- software development,
- mathematics,
- system scripting.
Python Install
You can download it for free from the following website: https://www.python.org/
Run Code: Write and Run your first Python code at Python Playground.
Code Example:
Code Example 2:
print(“Hello, World!”)
x = “Python”
y = “is”
z = “awesome”
print(x, y, z)
Run Code: You can also Run your Python code at Online Python.
Ask for user input:
a = int(input(‘Enter 1st number: ‘))
b = int(input(‘Enter 2nd number: ‘))
print(f’Sum of {a} and {b} is {a + b}’)
Exercise:
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Write a program that asks for a user’s name and age, then prints them.
