Update app.py

app.py

@@ -1,23 +1,49 @@
 import streamlit as st
+import pandas as pd
 
-def get_userInput(): #from the UI App
-    input = st.text_input("Enter a number: ", key="input")
+#Globals
+legal_numbers = [1,2,3,4,5,6,7,8,9]
+
+def get_userInput(): 
+    input = st.text_input("Enter a number between 1 to 9: ", key="input")
     return input
 
 def validate_userInput(user_input):
     if user_input.isdigit():
         return True
     else:
-        return False
+        return "Please enter a digit between 1 to 9."
+
+def display_board():
+    df = pd.DataFrame(
+        [
+            {" X ", " O ", " X "},
+            {"   ", "   ", "   "},
+            {" ... ", " ... ", " ... "},
+        ]
+    )
+    st.dataframe(df, use_container_width=True)
+
+#def update_legalNumbers():
+    
+    
     
 #UIApp starts here
 st.set_page_config(page_title="Python - Tic Tac Toe", page_icon=":python:")
 st.header("Python - Tic Tac Toe")
+st.text("Legal Numbers: ", legal_numbers.join(","))
 
 user_input=get_userInput()
 response=validate_userInput(user_input)
 
+#UI Buttons
 submit=st.button('Submit')
+replay=st.button('Replay')
+
+#Button functionality
 if submit:
     st.subheader("")
-    st.write(response)
+    st.write(response)
+
+if replay:
+    display_board()