Update app.py

app.py

@@ -1,2 +1,37 @@
 import streamlit as st
-st.title("MY PERSONAL CALCULATOR")
+def add(num1,num2):
+  return num1+num2
+
+def sub(num1,num2):
+  return num1-num2
+
+def mul(num1,num2):
+  return num1*num2
+
+def div(num1,num2):
+  return num1/num2
+
+def main():
+  st.title("MY CALCULATOR")
+
+  num1 = st.number_input("enter a number")
+  num2 = st.number_input("enter another number")
+
+  operation = st.radio("select an option: ",("ADD","SUB","MUL","DIV"))
+  
+  if operation=="ADD":
+    result = add(num1,num2)
+  elif operation=="SUB":
+    result = sub(num1,num2)
+  elif operation=="MUL":
+    result = mul(num1,num2)
+  else:
+    result = div(num1,num2)
+
+  st.write("The Result is",result)
+
+
+if __name__ == __main__:
+  main()
+
+