بررسی قضیه حمار

def hemar():
    it_s_hemar = False
    a,b,c = eval(input("enter a ,b ,c: "))

    if (a + b > c) and (a + c > b) and (b + c > a):
        it_s_hemar = True
        print(it_s_hemar)

    else:
        print("these three numbers connot make a triangle!!")


hemar()

# بررسی قضیه حمار
a=int(input("a: "))
b=int(input("b: "))
c=int(input("c: "))
if (a+b>c) and (a+c>b) and (b+c>a) :
    print("we can make triangle")
else: 
    print("we nca not make triangle")

میدونم نباید خیلی میشد اما همه حالات رو بررسی کردم.

# قضیه حمار

def is_valid_side(r: float) -> bool:
    """Checks if a side length is valid (greater than zero)."""
    if r <= 0:
        print(f"The side length must be greater than zero.")
        return False
    return True

def get_sides():
    """Gets three valid positive side lengths from the user."""
    while True:
        try:
            a1 = float(input("Enter the length of the first side of the triangle: "))
            if not is_valid_side(a1):
                continue

            b2 = float(input("Enter the length of the second side of the triangle: "))
            if not is_valid_side(b2):
                continue

            c3 = float(input("Enter the length of the third side of the triangle: "))
            if not is_valid_side(c3):
                continue

            # If all sides are valid, break the input loop and return
            return a1, b2, c3

        except ValueError:
            print("Please enter a valid number.")

def Hemar(a: float, b: float, c: float):
    """Checks if sides form a triangle and prints the result."""
    if (a + b > c) and (a + c > b) and (b + c > a):
        print(f" You can make a triangle with sides {a}, {b} and {c}.")
    else:
        print(f" You can't make a triangle with sides {a}, {b} and {c}.")

# Main program loop
while True:
    # Get valid sides from the user
    side1, side2, side3 = get_sides()

    # Check if they form a triangle and print the result
    Hemar(side1, side2, side3)

    # Ask if the user wants to restart
    while True:
        restart = input("Do you want to Enter again? (y/n): ")
        if restart.lower() == "y":
            break # Break the inner loop to continue the outer loop
        elif restart.lower() == "n":
            print("Thank you for using our program.")
            exit() # Exit the program
        else:
            print("Please enter a valid input.")