calculator final

main.py

-firstnum=input("enter firts number")
-secondnum=input("enter second number")
\ No newline at end of file
+firstnum=int(input("enter firts number"))
+secondnum=int(input("enter second number"))
+def sum(firstnum,secondnum):
+    addition=firstnum+secondnum
+    print(addition)
+def subtrac(firstnum,secondnum):
+    minus=firstnum-secondnum
+    print(minus)
+def division(firstnum,secondnum):
+    div=firstnum/secondnum
+    print(div)
+def multiplication(firstnum,secondnum):
+    multi=firstnum*secondnum
+    print(multi)
+operation=input("enter opertation to be performed(+,-,/,*)")
+
+if operation=="+":
+    sum(firstnum,secondnum)
+elif operation=="-":
+    subtrac(firstnum, secondnum)
+elif operation=="/":
+    division(firstnum, secondnum)
+elif operation=="*":
+    multiplication(firstnum, secondnum)
+else:
+    print("invalid operation")
+
+
+
+