def ddeg(f):
'''Main driver to solve this problem.'''
return ro.join_list(double_deg(rg.read_edgelist(ro.iterlines(f))))
def deg(f):
'''Main driver to solve this problem.'''
g = rg.read_edgelist(ro.iterlines(f))
return ' '.join(map(str, (g.degree(u) for u in xrange(1, g.number_of_nodes() + 1))))
