Verifying Geometric Figures with PYTHON 3

geometric_figures

def geometri(sekil):
    if len(sekil) == 3:
        a = sekil[0]
        b = sekil[1]
        c = sekil[2]

        if(a+b)>c and (a+c)>b and (b+c)>a:
            if(a==b) and (a==c) and (b==c):
                print("eşkenar üçgen")
            elif((a**2 + b**2) == c**2) or ((b**2 + c**2) == a**2) or ((a**2 + c**2) == b**2):
                print("dik üçgen")
            elif(a==b) or (b==c) or (a==c):
                print("ikizkenar üçgen")
            else:
                print("çeşitkenar")
        else:
            print("üçgen belirmiyor!")

    elif len(sekil) == 4:
        a = sekil[0]
        b = sekil[1]
        c = sekil[2]
        d = sekil[3]
        if(a==b) and (a==c) and (a==d):
            print("Kare")
        elif((a==b) and (c==d)) or ((a==c) and (b==d)) or ((a==d) and (b==c)):
            print("dikdörtgen")
        else:
            print("Dörtgen")
while(True):
    elemansayisi = int(input("Eleman sayisi: "))
    if(elemansayisi==3):
       a = int(input("a:"))
       b = int(input("b:"))
       c = int(input("c:"))
       geometri([a,b,c])
    elif(elemansayisi==4):
        a = int(input("a:"))
        b = int(input("b:"))
        c = int(input("c:"))
        d = int(input("d:"))
        geometri([a, b, c, d])
    else:
        print("tekrar girin")