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  1. def pairs(a,b):
  2.     tmp=[]
  3.     for aa in a:
  4.         for bb in b:
  5.             if aa==bb:
  6.                 if aa not in tmp:
  7.                     tmp+=[aa]
  8.     # если нужны пары 
  9.     print(str(tmp))
  10.     res=[]
  11.     for i in range(len(tmp)):
  12.         x=tmp[i]
  13.         res+=[(x,x)]
  14.     return res
  15.  
  16. x = ['a1', 'b1', 'c1', 'd1']
  17. y = ['a1', 'b1', 'c1', 'd1', 'g1']
  18. print(str(pairs(x,y)))
  19.  
Success #stdin #stdout 0.01s 27712KB
comments (?)
stdin 
['a1', 'b1', 'c1', 'd1']
['a1', 'b1', 'b11', 'c1', 'd1']
stdout 
['a1', 'b1', 'c1', 'd1']
[('a1', 'a1'), ('b1', 'b1'), ('c1', 'c1'), ('d1', 'd1')]
https://ideone.com/Y8XRAW
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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