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  1. from itertools import chain
  2.  
  3. b = [[1, 2, 3], [4, 5, 6]]
  4.  
  5. print "Using itertools:"
  6.  
  7. for i in chain.from_iterable(b):
  8.     print i
  9.  
  10. print "Using for loops"
  11.  
  12. for a in b:
  13.     for c in a:
  14.         print c
Success #stdin #stdout 0.01s 7896KB
comments (?)
stdin 
Standard input is empty
stdout 
Using itertools:
1
2
3
4
5
6
Using for loops
1
2
3
4
5
6
https://ideone.com/ItmVFj
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
secret

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