elif

app.py

@@ -29,11 +29,11 @@ def calculus(arg1:char, arg2:double, arg3: double)-> double:
     """
     if arg1=='+':
         return arg2+arg3
-    else if arg1=='-':
+    elif arg1=='-':
         return arg2-arg3
-    else if arg1=='*':
+    elif arg1=='*':
         return arg2*arg3
-    else if arg1=='/':
+    elif arg1=='/':
         return arg2/arg3
     
     return "The character in arg1 wasn't a valid mathematical operation!"