Functionalize comparison and clearance message bit

ib-clearance.py

@@ -147,12 +147,30 @@ def parse_time_string(timestring):
     return structtime
 
 
+def clear(finish_time):
+    """Return clearance message.
+
+    Compare the current time with finishing time and return relevant
+    clearance message.
+
+    :param finish_time: finishing time, struct_time object
+    """
+    current_time = parse_time_string(time.strftime("%H:%M"))
+    if finish_time == None:
+        message = "Student has no lessons today, clear to leave."
+    elif finish_time < current_time:
+        message = "Student has finished for today, clear to leave."
+    else:
+        message = "Student still has lessons, clearance not granted."
+    return message
+
+
 def exit_sequence():
     """Initiate exit sequence.
 
     Asks user to enter character, and exits program if X is pressed.
     """
-    print("\nPress X to exit.")
+    print("Press X to exit.")
     key = getch()
     if isinstance(key, bytes):
         # msvcrt.getch returns type bytes, decode into str.
@@ -171,14 +189,8 @@ def main():
         student_data = get_data(conn)
         day = time.strftime("%A").lower()
         finish_time = select_final_time(conn, day, student_data)
-        current_time = parse_time_string(time.strftime("%H:%M"))
 
-        if finish_time == None:
-            print("\nStudent has no lessons today, clear to leave.")
-        elif finish_time < current_time:
-            print("\nStudent has finished for today, clear to leave.")
-        else:
-            print("\nStudent still has lessons, clearance not granted.")
+        print("\n" + clear(finish_time) + "\n")
 
         exit_sequence()