def hello(): print "hello, world"

def there(a,b):
    r = 10
    d = {}
    for i in range(a):
       r += b[i]*20
       d[a[i]] = r
    return d

def strex(a, b):
    pref = "%s-%%d" % a
    if pref.startswith("expand:"):
       return b + " expanded"
    l = [pref % x for x in range(10)]
    l.append(b)
    return " ".join(l)