import re, itertools
exp_list = []
OPS_LIST = ['+','*'] # operators allowed
ANSWER = 69
if __name__ == '__main__':
print '======= Possible combinations for the math question ============'
for op in itertools.product( OPS_LIST, repeat = 9):
exp = ''.join( [ item for pair in zip([str(x) for x in range(0, 10)], \
list(op) + [0]) for item in pair][:-1])
try:
result = eval(exp)
if result == ANSWER and (exp not in exp_list):
exp_list.append(exp)
print '%s = %d' % (exp, result)
except: pass
print 'Total expressions found = ', len(exp_list)
