Added useful Python file for checking input data

You can experiment with this file, add smth to it and use in your modules. 
Example of usage:

>>>123
>>>Correct!

>>>fsda12
>>>ValueError

>>>
>>>Enter something

code/try_except.py

@@ -0,0 +1,14 @@
+while True:
+    line = input()
+
+    if line:
+        try:
+            a = int(line)
+            print("Correct!")
+            exit(0)
+        except ValueError as vr:
+            print("Value Error:",vr)
+            continue
+    else:
+        print("Enter something")
+        continue