(add) .py file which adds times.

time_add.py

@@ -0,0 +1,41 @@
+class Time:
+	def __init__ (self,hr=0, min=0, sec=0):
+		self.__hr = hr
+		self.__min = min
+		self.__sec = sec
+	def input(self):                                               
+		self.__hr = int(input("enter hr: "))
+		self.__min = int(input("enter  min: "))
+		self.__sec = int(input("enter sec: "))
+
+	'''def display(self):
+		print(self.__hr,":",self.__min,":",self.__sec)'''
+	def __str__(self):
+		return (str(self.__hr)+':'+str(self.__min)+':'+str(self.__sec))
+
+	def add(self,t):
+		sum= Time()
+		sum.__hr = self.__hr+t.__hr
+		sum.__min = self.__min+t.__min
+		sum.__sec = self.__sec+t.__sec
+		if(sum.__sec>=60):
+			sum.__sec-=60
+			sum.__min+=1
+
+		if(sum.__min>=60):
+			sum.__min-=60
+			sum.__hr+=1
+		return sum		      
+	@staticmethod
+	def time(str):
+		lst=str.split(':')
+		return Time(int(lst[0]),int(lst[1]),int(lst[2]))
+if (__name__ == "__main__" ):
+	t1=Time()
+	t2=Time()
+	t1=Time.time(input("enter time1: "))
+	t2=Time.time(input("enter time2: "))
+	sum=t1.add(t2)
+	print("sum of",t1,"and",t2,"is",sum)
+
+