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  1. alist = [[1,2,3], [4,5,6], [7,8,9]]
  2. blist = [['a','b','c'], ['d','e','f'], ['g','h','i']]
  3. item = 1
  4. z = [(i, x.index(item)) for i, x in enumerate(alist) if item in x][0]
  5. alist[z[0]][z[1]] = blist[z[0]][z[1]]
  6. print alist
  7.  
Success #stdin #stdout 0.01s 6356KB
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[['a', 2, 3], [4, 5, 6], [7, 8, 9]]
https://ideone.com/5TKFJ
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
secret

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