Update app.py

app.py

@@ -0,0 +1,34 @@
+import streamlit as st
+
+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("Calculator By Amaan")
+  num1 = st.number_input("ENTER A NUMBER")
+  num2 = st.number_input("ENTER ANOTHER NUMBER")
+
+  operation = st.radio("SELECT AN OPTION",("+","-","*","/"))
+
+  if operation == "+":
+    result = add(num1,num2)
+  elif operation == "-":
+    result = sub(num1,num2)
+  elif operation == "*":
+    result = mul(num1,num2)
+  else:
+    result = div(num1,num2)
+
+  st.write("THE RESULT IS: ",result)
+
+if __name__ == "__main__":
+  main()