import math

class Sirkel:
    def __init__(self, radius) -> None:
        self._radius = radius
    

    def diameter(self) -> float:
        return self._radius*2


    def omkrets(self) -> float:
        return self.diameter()*math.pi
        # Kan ogs? skrive:
        # return self.diameter()*3.14
    

    def areal(self) -> float:
        return (self._radius**2) * math.pi

# print(f"{Sirkel(3).areal():.2f}")



class Student:
    def __init__(self, alder, uni) -> None:
        self._uni = uni
        self._alder = alder
        self._emner = None
    

    def taEmne(self, emne):
        pass




# class Hund:
#     def __init__(self) -> None:
#         self._farge = "bl?"

    
#     def endreFarge(self, farge):
#         self._farge = farge

#     def printFarge(self):
#         print(self._farge)





# hund1 = Hund()
# hund2 = hund1
# hund2.endreFarge("lilla")

# # hund1.printFarge()


# tall1 = 5
# tall2 = tall1

# tall2 += 10

# # print(tall1)
# # print(tall2)





# streng1 = "hei"
# streng2 = streng1
# streng2 = streng1.capitalize()
# print(streng1)
# print(streng2)



# liste1 = [1, 2, 3, 4, 5]
# liste2 = liste1
# liste2[2] = 6

# print(liste1)



class Blomst:
    def __init__(self, art, hoyde):
        self._art = art
        self._hoyde = hoyde
        self._status = True
        self._dager_siden_vanning = 0


    def hent_status(self):
        return self._status
    
    
    def skriv_ut_info(self):
        string = "Art: " + self._art
        string += "\nHoyde: " + str(self._hoyde)

        if self._status:
            string += "\nBlomsten har det: Bra"

        else:
            string += "\nBlomsten har det: D?rlig"
            string += "\nDager siden vanning: " + str(self._dager_siden_sanning)

        print(string)


    def neste_dag(self):
        self._dager_siden_vanning += 1

        if self._dager_siden_vanning > 3:
            self._status = False

        if self._status:
            self._hoyde += 1


    def vann(self):
        if self._dager_siden_vanning < 3:
            self._status = False

        else:
            self._status = True
            self._dager_siden_vanning = 0