EASY Task?

[Kevin]

Your for loop doesn't work because as soon as you do this
out s.left(s n) when n =0 s is now empty and any further attempts after will have no value
need to store the string in a new string
 

Code:

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str s = "repeatable stringrepeatable string"
int n
for n 0 s.len
,out _s.left(s n+1)