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from the following array how can i get an output as stated
arr=["harry","sally","tom"]
harry
harry
harry
sally
sally
tom
sally
sally
sally
tom
tom
harry
tom
tom
tom
harry
harry
sally
what ive tried
>>> for i in range(len(arr)):
... print arr[i] * 3
... print arr[i+1]*2
... print arr[i-1]
...
Traceback (most recent call last):
File "<stdin>", line 3, in <module>
IndexError: list index out of range
Use the modulus operator to wrap around to the beginning of the list, or double the list but use the length of the original.