title: Simple LOTTERY Algorithm on PYTHON
body: <p>İ want different numbers.I'm writing small number for example (10) in range it's working no problem but if i m writing a big number it can not work. </p>
  
  <pre><code>import random
  arr=[]
  
  for i in range(25):
      a=random.randint(1,30)
      if a in arr:
          b=random.randint(1,30)
          arr.append(b)
      if a not in arr:
          arr.append(a)
  arr.sort()
  print(arr[0:])
  </code></pre>