Learn Pyscript - 10 Code Examples & CST Typing Practice Test
PyScript is a framework that allows running Python code directly in web browsers using HTML and JavaScript integration. It bridges Python with the web platform, enabling interactive applications without traditional backend setup.
Learn PYSCRIPT with Real Code Examples
Updated Nov 26, 2025
Code Sample Descriptions
Hello World in PyScript
<!DOCTYPE html>
<html>
<head>
<title>Hello PyScript</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css">
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
print("Hello World")
</py-script>
</body>
</html>
A basic PyScript example that prints 'Hello World' directly into a webpage using <py-script>.
PyScript Variables Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
x = 42
name = 'Alice'
print(x, name)
</py-script>
</body>
</html>
Defines variables in PyScript and prints them.
PyScript If Statement Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
num = 7
if num > 0:
print('Positive')
else:
print('Non-positive')
</py-script>
</body>
</html>
Checks if a number is positive or negative using PyScript.
PyScript Loop Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
for i in range(1, 6):
print(i)
</py-script>
</body>
</html>
Prints numbers from 1 to 5 using a for loop in PyScript.
PyScript Function Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
def add(a, b):
return a + b
print(add(3, 4))
</py-script>
</body>
</html>
Defines a function to add two numbers and prints the result in PyScript.
PyScript Input Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<input id="nameInput" value="Alice">
<py-script>
from js import document
name = document.getElementById('nameInput').value
print('Hello', name)
</py-script>
</body>
</html>
Takes user input via <input> and prints it using PyScript.
PyScript Math Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
a = 5
b = 7
print('Sum:', a + b)
print('Product:', a * b)
</py-script>
</body>
</html>
Performs basic math calculations in PyScript.
PyScript List Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
fruits = ['Apple', 'Banana', 'Cherry']
for f in fruits:
print(f)
</py-script>
</body>
</html>
Creates a list and iterates over it in PyScript.
PyScript Conditional Loop Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
for i in range(1, 11):
if i % 2 == 0:
print(i)
</py-script>
</body>
</html>
Loops through numbers and prints only even numbers using PyScript.
PyScript Simple Plot Example
<!DOCTYPE html>
<html>
<head>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
import matplotlib.pyplot as plt
plt.plot([1,2,3], [4,5,6])
plt.show()
</py-script>
</body>
</html>
Uses matplotlib to create a simple plot directly in PyScript.
Frequently Asked Questions about Pyscript
What is Pyscript?
PyScript is a framework that allows running Python code directly in web browsers using HTML and JavaScript integration. It bridges Python with the web platform, enabling interactive applications without traditional backend setup.
What are the primary use cases for Pyscript?
Embedding Python code in web pages for interactivity. Educational platforms teaching Python in the browser. Interactive data visualizations with Python libraries. Prototyping web apps quickly using Python. Combining Python and JavaScript for hybrid applications
What are the strengths of Pyscript?
No backend server required for Python code. Enables Python developers to build web apps without JavaScript knowledge. Great for education and rapid prototyping. Supports large Python ecosystem in browser. Interactive notebooks and demos possible directly on web pages
What are the limitations of Pyscript?
Performance slower than native JavaScript for heavy computation. Limited access to OS-level resources. Browser memory constraints may limit large datasets. Some Python packages not fully supported in WebAssembly. Not yet ideal for production-scale web applications
How can I practice Pyscript typing speed?
CodeSpeedTest offers 10+ real Pyscript code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.