Reading a large data structure

[Amir Karger]

Is there a way to declare an array of, say, 300 strings in PIR other than

arr = 300
arr[0] = "hi"
arr[1] = "there"
arr[2] = "my"
...
arr[298] = "very"
arr[299] = "tired"

Same question with a hash of hashes or whatever. 

-Amir