Python asal sayı programı

n=int(input("Enter an integer:"))
def is_prime(n):
    if n<2:
        return False
    elif n==2:
        return True
    else:
        i=2

while i<n:
    if((n%i)==0):
        return False
    elif (n==27):
        return False
    else:
       i+=1
       return True

print(is_prime(n))

n=int(input("Enter an integer:"))
def is_prime(n):
  if n<2:
    return False
  elif n==2:
    return True
  else:
    i=2

  while i<n:
    if((n%i)==0):
      return False
    elif (n==27):
      return False
    else:
      i+=1
      return True

print(is_prime(n))

def is_prime(n):
  flag = True

  if n < 2:
    return False
  elif n == 2:
    return True
  else:
    i = 2

  while i < n:
    if n % i == 0:
      flag = False
      break
    i += 1
 
  if flag == True:
    return True
  else:
    return False

n = int(input("Enter an integer: "))
print(is_prime(n))

def is_prime(n):
  flag = True

  if n == 1 or n == 0:
    return False
 
  for i in range(2, int(n ** 1/2) + 1):
    if n % i == 0:
      flag = False
      break
 
  return flag

n = int(input("Enter an integer: "))
print(is_prime(n))