Compiles all the images into a single pdf

run.py

#put this run.py file in the folder containing all the images.
from PIL import Image
import os

image_list = []
files = os.listdir()
image_files = []

for i in range(len(files)):
    if files[i].endswith(".png"):       #change the "png" according to the requirements.
        image_files.append(files[i])
for i in range(len(image_files)):
        image = Image.open(image_files[i]).convert('RGB')
        image_list.append(image)
        if i == 0:
            image_list.pop()
            base_img = image

base_img.save('compiled.pdf', save_all=True, append_images=image_list)