first implementations

calculation.py

@@ -1,3 +1,9 @@
 
-def hoursSpent(t1, t2):
-    return 2
+def hoursSpent(day_start, day_end, break_start, break_end):
+    duration_whole = day_end - day_start
+    print("duration_whole", duration_whole)
+    pause = break_end - break_start
+    print("pause", pause)
+    duration_without_pause = duration_whole - pause
+
+    return duration_without_pause

day.py

@@ -18,6 +18,24 @@ class Day:
         self.begin = datetime.now()
         print(self.begin)
 
+    def make_break(self):
+        self.begin_break = datetime.now()
+
+    def go_on(self):
+        self.end_break = datetime.now()
+
     def endDay(self):
         self.end = datetime.now()
-        self.duration = hoursSpent(self.begin, self.end)
+        self.duration = hoursSpent(
+            self.begin, self.end, self.begin_break, self.end_break)
+
+
+first_day = Day()
+first_day.beginDay()
+sleep(1)
+first_day.make_break()
+sleep(2)
+first_day.go_on()
+sleep(10)
+first_day.endDay()
+print("worked", first_day.duration)