Rename chatbot for calculations to app.py

chatbot for calculations → app.py

@@ -1,5 +1,6 @@
 # calculator_chatbot.py
 
+import streamlit as st
 import re
 
 def evaluate_expression(expression):
@@ -14,7 +15,7 @@ def chatbot_response(user_input):
     # Regular expression to find mathematical expressions
     expression_pattern = r'(\d+\s*[\+\-\*\/]\s*\d+)'
     match = re.search(expression_pattern, user_input)
-    
+
     if match:
         expression = match.group(0)
         result = evaluate_expression(expression)
@@ -22,15 +23,18 @@ def chatbot_response(user_input):
     else:
         return "I'm sorry, I can only help with simple math calculations."
 
-def main():
-    print("Welcome to the Calculator Chatbot! Type 'exit' to end the conversation.")
-    while True:
-        user_input = input("You: ")
-        if user_input.lower() == 'exit':
-            print("Chatbot: Goodbye!")
-            break
+# ---------------- Streamlit UI ----------------
+st.title("🧮 Calculator Chatbot")
+st.write("Welcome to the Calculator Chatbot! Type a simple math expression like '2 + 3' or '5 * 4'.")
+
+user_input = st.text_input("You:")
+
+if user_input:
+    if user_input.lower() == 'exit':
+        st.write("Chatbot: Goodbye!")
+    else:
         response = chatbot_response(user_input)
-        print(f"Chatbot: {response}")
+        st.success(f"Chatbot: {response}")
+
+st.write("\n💡 Example: Try typing '10 / 2' or '6 - 3'")
 
-if __name__ == "__main__":
-    main()