Time.py

class Time:

    def __init__(self):
        self.minutes = 0
        self.hour = 0

    def isValid(hour, minutes):
        if(hour>=0 and hour<24 and minutes>=0 and minutes<60):
            return True
        else:
            return False

    def SetTime(self, hour, minutes, isAM = None):

        if isAM is None:
            if Time.isValid(hour, minutes):
                self.hour = hour
                self.minutes = minutes
            else:
                print("Invalid Time")
                self.hour = 0
                self.minutes = 0

        else:
            if(hour>0 and hour<=12 and minutes>=0 and minutes<60):
                if(hour==12):
                    self.hour = 0
                if not(isAM):
                    self.hour += 12

                self.hour = hour
                self.minutes = minutes

            else:
                print("Invalid Time")
                self.hour = 0
                self.minutes = 0


    def GetTime24(self):
        s = ""
        if(self.hour<10):
            s+='0'
        s += str(self.hour)
        if(self.minutes<10):
            s+='0'
        s += str(self.minutes)

        return s

    def GetTime12(self):
        isAM = True
        h = self.hour
        s = ""
        if(h==0):
            h = 12
        if(h>12):
            h -= 12
            isAM = False

        s+=str(h)
        s+=':'

        if(self.minutes<10):
            s+='0'
        s+= str(self.minutes)

        if(isAM):
            s+=" AM"
        else:
            s+=" PM"

        return s

t=Time()

t.SetTime(16,34)
print("12 hours format:",t.GetTime12())
print("24 hours format:",t.GetTime24())

t.SetTime(0,5,False);
print("12 hours format:",t.GetTime12())
print("24 hours format:",t.GetTime24())

t.SetTime(13,43);
print("12 hours format:",t.GetTime12())
print("24 hours format:",t.GetTime24())

t.SetTime(7,45,True)
print("12 hours format:",t.GetTime12())
print("24 hours format:",t.GetTime24())