Update app.py

app.py

@@ -1,4 +1,64 @@
 import streamlit as st 
+
+
+# Import necessary libraries
+import xml.etree.ElementTree as ET
+
+# Mathematical principles and corresponding emojis
+principles = {
+    "Permutations_and_Combinations": {"emoji": "🔢", "name": "Permutations and Combinations"},
+    "Pigeonhole_Principle": {"emoji": "🕊️", "name": "Pigeonhole Principle"},
+    "Graph_Theory": {"emoji": "📊", "name": "Graph Theory"},
+    "Inclusion_Exclusion_Principle": {"emoji": "➕➖", "name": "Inclusion-Exclusion Principle"},
+    "Binomial_Coefficients": {"emoji": "🔣", "name": "Binomial Coefficients"},
+    "Partition_Theory": {"emoji": "🔀", "name": "Partition Theory"},
+    "Generating_Functions": {"emoji": "🔄", "name": "Generating Functions"},
+    "Recurrence_Relations": {"emoji": "🔄➡️", "name": "Recurrence Relations"},
+    "Combinatorial_Proofs": {"emoji": "✅", "name": "Combinatorial Proofs"},
+    "Catalan_Numbers": {"emoji": "🔀🔢", "name": "Catalan Numbers"},
+}
+
+# Parsing CCDA XML
+def parse_ccda(xml_file):
+    # Parse XML using ElementTree
+    tree = ET.parse(xml_file)
+    root = tree.getroot()
+
+    # Process each element in XML
+    for elem in root:
+        # Processing code here...
+        pass
+
+# Creating hyperlinks to Wikipedia and NLM
+def create_hyperlinks(principle_key):
+    base_wiki_url = "https://en.wikipedia.org/wiki/"
+    base_nlm_url = "https://www.nlm.nih.gov/mesh/"
+
+    # Concatenate base URL with principle key for the hyperlink
+    wiki_url = base_wiki_url + principle_key.replace("_", " ")
+    nlm_url = base_nlm_url + principle_key.replace("_", " ")
+
+    return wiki_url, nlm_url
+
+# Displaying each mathematical principle with unique keys, emojis, and names
+for key in principles.keys():
+    # Get the name and emoji
+    name = principles[key]["name"]
+    emoji = principles[key]["emoji"]
+
+    # Get the hyperlinks
+    wiki_url, nlm_url = create_hyperlinks(key)
+
+    # Display the principle
+    print(f"{emoji} {name}")
+    print(f"Wikipedia link: {wiki_url}")
+    print(f"NLM link: {nlm_url}\n")
+
+
+
+
+
+
 st.markdown("""