def factorial(k): a=1 while k>1: a=a*k k=k-1 if k==1: return a member = input("how many people in your class: ") print member group = input("how many members in group do you want: ") print group limit = member/group print("1group = %d guys yes = 1, no = 2 : " % limit) answer = input() print answer if answer == 1: b=factorial(member) c=factorial(group) d=factorial(limit) e=b/(c**limit) f=e/d print ("The number of Joint = %d" %f) else: print ("wrong")
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