Update is_number.py

Making the program more readable and efficient by adding else statement instead of one-liner elif statement.

Author: NitkarshChourasia

very_easy/is_number.py

@@ -14,7 +14,7 @@ def check_number(input_value: Any) -> str:
 
     if isinstance(input_value, numbers.Number):
         return f"{input_value} is a number."
-    elif not isinstance(input, numbers.Number):
+    else:
         return f"{input_value} is not a number."
 
 
@@ -30,4 +30,4 @@ def check_number(input_value: Any) -> str:
     print(check_number(0))
     print(check_number(pow(10, 20)))
     print(check_number("Hello"))
-    print(check_number(1 + 2j))
+    print(check_number(1 + 2j))