solution.hide.py added to the 7th exercise

exercises/007-hours_and_minutes/solution.hide.py

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+#Complete the function to calculate how many hours and minutes are passed since midnight.
+def hours_minutes(secs):
+ minutes = secs // 60
+ hours = minutes // 60
+ minutes = minutes % 60
+ return (hours, minutes)
+
+#Invoke the funtion and pass any interger as its argument.
+print(hours_minutes(3900))