diff --git a/lm3226/assignment7.py b/lm3226/assignment7.py
index a732dcd..315a7e1 100644
--- a/lm3226/assignment7.py
+++ b/lm3226/assignment7.py
@@ -16,7 +16,7 @@ def __init__(self, interval_input):
 
     def validate_input(user_string):
         if type(user_string) is not str:
-            raise InvalidUserInputException("interval_input must be a string")
+            raise InvalidUserInputException("Interval_input must be a string")
 
     def __set_left_interval(self, user_input):
         if user_input[0] == "[":
@@ -98,7 +98,6 @@ def main():
         user_input = input("Please enter a list of intervals separated by ', ': ")
         if "quit" in user_input:
             sys.exit(0)
-        print(user_input)
         user_input_list = user_input.split(', ')
         interval_list = transform_string_list_to_intervals(user_input_list)
 
@@ -119,5 +118,10 @@ def main():
     except InvalidIntervalException:
         print("Invalid interval(s). Please separate intervals by a comma followed by a space, as in '[1,2], [3,4]'")
 
+    except KeyboardInterrupt:
+        sys.exit(0)
+    except EOFError:
+        sys.exit(0)
+
 if __name__ == '__main__':
         main()