python_debugging_101_pdb.py

import random
import pdb
import sys
import traceback

def calculate_average(values):
    # BUG: Tidak handle jika list kosong, akan raise ZeroDivisionError
    return sum(values) / len(values)

def process_data(data):
    # BUG: Index bisa keluar batas kalau data lebih kecil dari ekspektasi
    total = 0
    for i in range(len(data) + 1):  # Seharusnya range(len(data))
        total += data[i]  # IndexError di sini kalau i == len(data)
    return total

def analyze_dataset(dataset):
    breakpoint()
    results = []
    for group in dataset:
        avg = calculate_average(group)
        results.append(avg)
    return process_data(results)

def main():
    # Dataset acak, kadang mengandung list kosong
    dataset = [[random.randint(1, 10) for _ in range(random.randint(0, 5))]
               for _ in range(3)]

    print("Dataset:", dataset)

    try:
        result = analyze_dataset(dataset)
        print("Final result:", result)
    except Exception:
        # Aktifkan postmortem debugging
        print("\nTerjadi error! Masuk ke postmortem debugging...\n")
        traceback.print_exc()
        # pdb.post_mortem()
        # import pudb; pudb.post_mortem()

if __name__ == "__main__":
    # Pasang breakpoint awal untuk cek dataset sebelum error
    breakpoint()
    main()