Opening files

Reading scores.

``` python
with open('saves.txt', 'rw')
 as f:
  lines = f.readlines()
  for line in lines:
    line = line.strip()
    if not line:
      continue
    points, name = line.split()
```

Writing scores.

``` python
with open('saves.txt', 'rw') as f:
  f.writeline(str(points) + ' ' + str(name))
```
