Online Python Editor and Compiler - Code in Python

Free online Python editor with real-time execution, console output, and standard library support. Perfect for learning Python, testing algorithms, and quick script execution.

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Features

Python Execution

Execute Python code directly in your browser with Pyodide

Console Output

Real-time console output with print statement support

Standard Library

Access to Python's standard library modules and functions

Error Handling

Clear error messages and traceback information

Code Sharing

Share Python code snippets with others via unique URLs

File Import/Export

Import and export Python scripts with ease

Frequently Asked Questions

How to start with Python programming online?

Begin with basic Python syntax:

# Print your first message
print("Hello, World!")

# Experiment with variables
name = "Python"
print(f"Hello, {name}!")

# Use built-in functions
text = "Python"
print(len(text))  # Length of string
print(type(text)) # Type of variable

Our editor provides instant feedback and error messages to help you learn.

How to use Python lists and dictionaries?

Learn about Python's core data structures:

# Lists
fruits = ["apple", "banana", "orange"]
print(fruits[0])      # Access element
fruits.append("grape") # Add element

# Dictionaries
person = {
    "name": "John",
    "age": 30
}
print(person["name"])  # Access value
print(person.keys())   # Get all keys

Try these examples in our editor to see the results.

How to write Python functions and handle exceptions?

Learn function definition and error handling:

# Define a function
def greet(name):
    return f"Hello, {name}!"

print(greet("Python"))

# Handle exceptions
try:
    result = 10 / 0
except ZeroDivisionError:
    print("Cannot divide by zero")
finally:
    print("This always runs")

Practice by writing functions and testing different error scenarios.

How to work with Python loops and conditionals?

Master control structures:

# For loops
for i in range(5):
    print(i)

# While loops
count = 0
while count < 3:
    print(count)
    count += 1

# If statements
x = 10
if x > 0:
    print("Positive")
elif x < 0:
    print("Negative")
else:
    print("Zero")

Test these control structures with different examples.

How to use Python's built-in libraries?

Explore Python's standard library:

# Random numbers
import random
print(random.randint(1, 100))

# Math operations
import math
print(math.pi)
print(math.sqrt(16))

# JSON handling
import json
data = {"name": "Python", "version": 3.9}
print(json.dumps(data, indent=2))

Our editor includes Python's standard library ready to use.

How to debug Python code effectively?

Learn debugging techniques:

# Strategic print statements
def calculate_total(items):
    print(f"Debug: Processing {len(items)} items")
    total = 0
    for item in items:
        print(f"Debug: Adding {item}")
        total += item
    print(f"Debug: Final total = {total}")
    return total

# Test the function
prices = [10, 20, 30]
result = calculate_total(prices)

Use our console output to track execution flow and variable values.