Update app.py

app.py

@@ -1,4 +1,5 @@
 import streamlit as st
+import re
 
 st.set_page_config(
     page_title="Text Case Converter",
@@ -56,6 +57,19 @@ textarea {
 </style>
 """, unsafe_allow_html=True)
 
+# ---------- Helper Function ----------
+def paragraph_style(text):
+    sentences = re.split(r'(?<=[.!?])\s*', text.strip())
+    fixed = []
+    for s in sentences:
+        s = s.strip()
+        if not s:
+            continue
+        if not s.endswith(('.', '!', '?')):
+            s += '.'
+        fixed.append(s.capitalize())
+    return " ".join(fixed)
+
 # ---------- UI ----------
 st.markdown("<div class='card'>", unsafe_allow_html=True)
 
@@ -83,10 +97,12 @@ with col2:
 with col3:
     if st.button("Toggle Case"):
         st.session_state["out"] = text.swapcase()
+    if st.button("Paragraph Style"):
+        st.session_state["out"] = paragraph_style(text)
 
 if "out" in st.session_state:
     st.markdown("### Output")
     st.text_area("", st.session_state["out"], height=150)
 
 st.markdown("</div>", unsafe_allow_html=True)
-st.markdown("<div class='footer'>Made with ❤️ using Streamlit</div>", unsafe_allow_html=True)
+st.markdown("<div class='footer'>Made with ❤️ using Streamlit</div>", unsafe_allow_html=True)