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def  prime(b):
    t=b/2
    for i in range(2,t+1):
        if b%i==0:

            break
    else:
        return b

if __name__=="__main__":
    a=input('please input the first number:')
    b=input('please input the next number:')
    list=[]
    for i in range(a,b+1):
       if prime(i):
           list.append(prime(i))

    print 'the prime list is %s'%list