Function to return list of prime numbers Dry Run in PYTHON

Function to return list of prime numbers is an interactive PYTHON dry run visualizer from the Functions programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Function to return list of prime numbers Program Code

def primes_upto(n):
    """Return all primes up to n"""
    primes = []
    for num in range(2, n + 1):
        is_prime = True
        for i in range(2, int(num ** 0.5) + 1):
            if num % i == 0:
                is_prime = False
                break
        if is_prime:
            primes.append(num)
    return primes

print(f"Primes up to 30: {primes_upto(30)}")

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