# del_list.py

# del_list.py

def x(ii='', l=[]):
    if ii is not '':
        try:
            for i in ii:
                l.append(i)
        except:
            l.append(ii)
    else:
        del l[:]
    return l

print x(1)
print x(2)
print x()
print x(9)
print x([99,3])