def gcd(a, b): """Return greatest common divisor using Euclid's Algorithm.""" while b: a, b = b, a % b return a def lcm(a, b): """Return lowest common multiple.""" return a * b // gcd(a, b) #def lcmm(*args): """Return lcm of args.""" # return reduce(lcm, args) def lcm_seq(seq): """Return lcm of sequence.""" return reduce(lcm, seq) solution = lcm_seq(xrange(1,21)) print "lcm_seq():", solution
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