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  1. import itertools
  2. natuals=itertools.count(1)
  3. ns=itertools.takewhile(lambda x:x <=10,natuals)
  4. print(ns)
  5. for c in itertools.chain('ABC','XYZ'):
  6. print(c)
  7. # your code goes here
Success #stdin #stdout 0.13s 14160KB
stdin
Standard input is empty
stdout
<itertools.takewhile object at 0x1465e135c800>
A
B
C
X
Y
Z