added lab 4

assignment III/main.py

@@ -1,41 +0,0 @@
-from pptx import Presentation
-
-# load the uploaded file
-input_path = "./tech_project_proposal_ideas_dark_theme.pptx"
-output_path = "./new_pptx.pptx"
-
-def to_title_case(text: str) -> str:
-    if not text:
-        return text
-    # title case for slide titles (major words capitalized)
-    return text.title()
-
-def to_sentence_case(text: str) -> str:
-    if not text:
-        return text
-    text = text.strip()
-    if not text:
-        return text
-    # sentence case for bullet points
-    return text[0].upper() + text[1:]
-
-# open ppt
-prs = Presentation(input_path)
-
-for slide in prs.slides:
-    for shape in slide.shapes:
-        if not shape.has_text_frame:
-            continue
-        tf = shape.text_frame
-        # heuristics: assume first shape (or largest font) in slide is the title
-        if slide.shapes.index(shape) == 0 or "title" in shape.name.lower():
-            for para in tf.paragraphs:
-                para.text = to_title_case(para.text)
-        else:
-            for para in tf.paragraphs:
-                para.text = to_sentence_case(para.text)
-
-# save output
-prs.save(output_path)
-
-output_path