python练习：实现一个整数数组里面两个数之和为183的所有整数对

 l1 = [183,0,1,2,-184,367]

 num = []

 for i in range (0,len(l1)):

     for l in range (i+1,len(l1)):

         if l1[i]+l1[l]==183:
             num.append((l1[i],l1[l]))
             sum = set(num)

 print(sum)        

//set():去重