شناسایی نوع مثلث بر اساس اندازه اضلاع

a = int(input("a: "))
b = int(input("b: "))
c = int(input("c: "))
while((a + b > c) or (a + b > c) or (b + c > a)):
    if a == b == c:        
        print("motasavi Alazla")
    elif (a == b) or (b==c) or (a == c):       
        print("motasavi Alsaghaeen")
    else:        
        print("mokhtalef Alazla")
    break
print("these are'nt a triangle")

while True:
    print("_______________")
    try:
        a = int(input("لطفا مقدار ضلع اول را وارد کنید : "))
        b = int(input("لطفا مقدار ضلع دوم را وارد کنید : "))
        c = int(input("لطفا مقدار ظلع سوم را وارد کنید : "))


        if a + b > c and b + c > a and c + a > b:
            if a == b == c:
                print("مثلث متساوی الضلاع است.")
                break
            elif a == b != c or a == c != b or b == c != a:
                print("مثلث متساوی الثاقین است.")
                break
            else:
                print("مثلث مختلف الضلاع است.")
                break
        else:
            print("مقادیر مربوط به یک مثلث نیست.")
    except ValueError: 
        print("مقادیر وارد شده از نوع عدد نیست.")

from collections import Counter

# gereftan a'dad az karbar
def get():
    while 1:
        try:
            print("----------------------")
            a = abs(float(input("zel' aval mosalas ra vared konid: ")))
            b = abs(float(input("zel' dovom: ")))
            c = abs(float(input("zel' sevom: ")))
            print("----------------------")
            return a, b, c
        except ValueError:
            print("lotfan faghat adad vared konid")
        except:
            print("error!")

# barasi sehat a'dad
def check(a, b, c):
    if a+b > c and a+c > b and b+c > a:
        return 1
    else:
        print("\na'dad vared shode baraye yek mosalas nemibashad\n")
        return 0

# mainloop
def main():
    mosalas = {1:"mokhtalefol azla'", 2:"motasaviol saqein", 3:"motasaviol azla'"}
    while 1:
        nums = get()
        a, b, c = nums
        if check(a, b, c):
            # gereftan bishtarin te'dad tekrar bein a'dad
            nums = Counter(nums)
            maximum = max(nums.values())
                        print("_________________________________________")
            print(f"in mosalas {mosalas[maximum]} ast")
            print("_________________________________________")

            e = input("baraye khoruj az app n ra vared konid: ")
            if e == 'n':
                break
    print("app baste shod...")

main()

a=int(input('a: '))
b=int(input('b: '))
c=int(input('c: '))
check=(a+b>c or b+c>a or c+a>b)
if(check==True):
    if(a==b==c):
        print("مثلث متساوی الاضلاع")
    elif(a==b or c==a or c==b):
        print("مثلث متساوی الساقین")
    else:
        print("مثلث مختلف الاضلاع")
else:
    print("شکل شما مثلث نیست")

def is_triangle(a:int,b:int,c:int) -> bool:
    """
    This function determine whether is it a triangle or not
    """
    if (a+b>c) and (a+c>b) and (b+c>a):
        return True
    else:
        return False

while True:
    try:
        A=int(input(f"Enter the part a:"))
        B=int(input(f"Enter the part b:"))
        C=int(input(f"Enter the part c:"))
        break
    except ValueError as w:
        print(w)

def type(a:int,b:int,c:int):
    if is_triangle(a,b,c):
        if (a==b==c):
            print(f"The triangle is Motesaviolaslah")
        elif (a==b) or (a==c) or (b==c):
            print(f"The triangle is Motesaviolsaghein")
        else:
            print(f"The triangle is Mokhtalefalaslah")
    else:
        print(f"THis is not a")

type(A,B,C)

while 1:
    try:
        x=int(input("enter the first side>>>"))
        y=int(input("enter the second side>>>"))
        z=int(input("enter the third side>>>"))
        if x<y+z or y<x+z or z<x+y:
            if  x==y==z:
                print("equiletearal triangle")
                break
            elif x==y or y==z or x==z:
                print("isosceles triangle")
            elif x!=y and y!=z and x!=z:
                print("scalene triangle")
    except ValueError:
        print("enter the integer number")

a=float(input("Please enter the size of the first side :\n"))
b=float(input("Please enter the size of the second side :\n"))
c=float(input("Please enter the size of the third side :\n"))
if a<b+c and c<a+b and b<a+c:
    print("These three sides form a triangle.")
    if (a==b and a!=c) or (a==c and a!=b) or (b==c and b!=a):
        print("Triangle type: Isosceles triangle")
    elif a==b==c:
        print("Triangle type: Equilateral triangle")
    elif a!=c!=b :
        print("Triangle type: Triangle with different sides")
else:
    print("These three sides do not form a triangle.")