python基础(1)#1,2,3,4可组成多少不重复的三位数

for i in range(1,5):
    for j in range(1,5):
        for k in range(1,5):
            if (i!=j) and (j!=k) and (i!=k):
                print i,j,k

#任意三个数可组成多少不重复的三位数
st=[]

for i in range(1,4):
    sa=int(raw_input('your number :'))
    st.append(sa)
    for l in st:
        for m in st:
            for n in st:
                if (l!=m) and (m!=n) and (l!=n):
                    print l,m,n