Create app.py

app.py

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+import streamlit as st
+import re
+
+st.set_page_config(page_title="📦 Markdown Formatter", layout="centered")
+st.title("📄 Markdown Formatter App")
+
+method = st.selectbox("Choose a formatting method:", ["Select a method", "Boxing Method", "Raw Markdown"])
+
+uploaded_file = st.file_uploader("Upload a Markdown (.md) file", type=["md"])
+
+if uploaded_file and method != "Select a method":
+    markdown_text = uploaded_file.read().decode("utf-8")
+
+    if method == "Raw Markdown":
+        st.markdown(markdown_text)
+
+    elif method == "Boxing Method":
+        # Parse markdown into boxes based on headers
+        def parse_markdown_into_boxes(text):
+            pattern = r'(^#+ .*$)'
+            parts = re.split(pattern, text, flags=re.MULTILINE)
+            sections = []
+            current_section = {"header": None, "content": ""}
+            for part in parts:
+                if re.match(r'^#+ ', part):
+                    if current_section["header"] or current_section["content"]:
+                        sections.append(current_section)
+                        current_section = {"header": None, "content": ""}
+                    current_section["header"] = part.strip()
+                else:
+                    current_section["content"] += part.strip() + "\n"
+            if current_section["header"] or current_section["content"]:
+                sections.append(current_section)
+            return sections
+
+        st.subheader("📦 Formatted Output")
+        for section in parse_markdown_into_boxes(markdown_text):
+            with st.container(border=True):
+                if section["header"]:
+                    st.markdown(f"#### {section['header']}")
+                st.markdown(section["content"])