Update app.py

app.py

@@ -1,27 +1,37 @@
 import streamlit as st
 
 # Set the title of the app
-st.title('Simple Calculator')
+st.title('Extended Calculator')
 
 # Get user inputs for the calculation
 num1 = st.number_input('Enter first number', value=0)
 num2 = st.number_input('Enter second number', value=0)
+num3 = st.number_input('Enter third number', value=0)
 
 # Create options for selecting the type of operation
-operation = st.selectbox('Choose operation', ('Add', 'Subtract', 'Multiply', 'Divide'))
+operation = st.selectbox('Choose operation', ('Add', 'Subtract', 'Multiply', 'Divide', 'Average', 'Power', 'Modulus'))
 
 # Perform calculation based on the selected operation
 if operation == 'Add':
-    result = num1 + num2
+    result = num1 + num2 + num3
 elif operation == 'Subtract':
-    result = num1 - num2
+    result = num1 - num2 - num3
 elif operation == 'Multiply':
-    result = num1 * num2
+    result = num1 * num2 * num3
 elif operation == 'Divide':
-    if num2 != 0:
-        result = num1 / num2
+    if num2 != 0 and num3 != 0:
+        result = num1 / num2 / num3
     else:
         result = 'Error! Division by Zero'
+elif operation == 'Average':
+    result = (num1 + num2 + num3) / 3
+elif operation == 'Power':
+    result = num1 ** num2 ** num3
+elif operation == 'Modulus':
+    if num2 != 0 and num3 != 0:
+        result = num1 % num2 % num3
+    else:
+        result = 'Error! Modulus by Zero'
 
 # Display the result of the calculation
 st.write(f'The result is: {result}')