Script for finding all solutions to the card game "24"

24.py

import numpy as np
def combine(*args):
    if len(args) == 2:
        return np.concatenate([(x*y, x+y, abs(x-y), x/y, y/x) for x in args[0] for y in args[1]])
    return np.concatenate([combine(combine(*np.roll(args, i)[1:]), np.roll(args,i)[0]) for i in range(len(args))])
vals = (np.arange(10) + 1).astype(np.float64)
for x in ("%i %i %i %i, %s" % (a,b,c,d, 24 in combine([a], [b], [c], [d])) for a in vals for b in vals for c in vals for d in vals if a <= b and b <= c and c <= d ):
    print(x)
import numpy as np
def combine(*args):
    if len(args) == 2:
        return np.concatenate([(x*y, x+y, abs(x-y), x/y, y/x) for x in args[0] for y in args[1]])
    return np.concatenate([combine(combine(*np.roll(args, i)[1:]), np.roll(args,i)[0]) for i in range(len(args))])
vals = (np.arange(10) + 1).astype(np.float64)
for x in ("%i %i %i %i, %s" % (a,b,c,d, 24 in combine([a], [b], [c], [d])) for a in vals for b in vals for c in vals for d in vals if a <= b and b <= c and c <= d ):
    print(x)