ysnerdem

print('you can terminate the operation by entering 0')

while True:
    number = int(input('Enter a number:'))

    if number > 1:
        for i in range(2, number):
            if number % i == 0:
                print(number, 'is not a prime number')
                break

ysnerdem

def sqrt(number):
    return int(number ** 0.5)

def prime_number(number):
    for i in range(2, sqrt(number)):
        if number % i == 0:
            print(number, 'is not a prime number')
            break
    else:
        print(number, 'is a prime number')

ysnerdem

def sum_of_multipliers(number):
    sum_of_multipliers = 0
    for i in range (1,number):
        if number % i == 0:
            sum_of_multipliers += i
    return sum_of_multipliers

for i in range(1,10000):
    if i == sum_of_multipliers(i):
        print(i)

ysnerdem

def fibonacci(num):
    if num <= 1:
        return 1
    else:
        return fibonacci(num-1) + fibonacci(num-2)

num = int(input('How many?:'))

if num <= 0:
    print('Enter a positive number.')

ysnerdem

numbers = [-2, 5, 16, 21, -21, 1]

def Find_max(list):
    if len(list) == 1:
        return list[0]
    else:
        max = Find_max(list[1:])
        return max if max > list[0] else list[0]

ysnerdem

def ekok(num1, num2):
    x = num1
    while True:
        x += num1
        if x % num2 == 0 and x > num2:
            return x


print("**ekok**")
num1 = int(input("1.sayı:"))

ysnerdem

def ebob(num1,num2):
    lst = []
    max = 0
    for i in range(1,num1):
        if num1 % i == 0 and num2 % i == 0:
            lst.append(i)
    for i in lst:
        if i > max:
            max = i
    return max

ysnerdem

def mukemmel_sayi(sayi):
    lst = [i for i in range(1, sayi) if sayi % i == 0]
    sum = 0

    for i in lst:
        sum += i
        if sum == sayi:
            print(sayi)

for i in range(1, 1001):

ysnerdem

try:
    num1 = int(input("1.Sayı:"))
    num2 = int(input("2.Sayı:"))
    print(num1 / num2)
except ZeroDivisionError:
    print("Bir sayı sıfıra bölünemez.")
except ValueError:
    print("Geçerli sayılar girmediniz")

ysnerdem

def even_number(num):
    if num % 2 != 0:
        raise ValueError("this number is not even number.")
    else:
        return num

lst = [3,4,5,6,7,8,9,16]

for i in lst:
    try: