On step 6, the numbers of loops is indicated, 8 in this case, but the value of the "reversenames" vairable is not indicated, although it is known after this instruction execution ?
Xcode playground debug area not showing variable value
Impossible to tell with so little information.
Could you explain more in detail. You know what you have entered in playground, we don't ! 😉
What is step 6 ?
What is reverseNames ?
Please show code eventually and copy what you get as messages.
Note: this should be posted in the playground section.