number_of_people = 10; # This is a empty array to hold the probs people_probs = [] for i in range(1,number_of_people): prob = (365-i)/365.0 people_probs.append(prob) print "The prob is: {:.3f}".format(1 - reduce(lambda x,y: x*y, people_probs)) # Better version in a single line - still needs the number of people var print "The prob is: {:.3f}".format(1 - reduce(lambda x,y: x*y, [((365-j)/365.0) for j in range(1,number_of_people)]))
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