When the 'APCSA' is passed as the argument to the mystery method, the expected output will be 'ZPZSZ'.
The expected output or return value of the mystery method when called with the argument 'APCSA' can be determined by analyzing the functionality of the method.
1. Encryption or substitution: The mystery method might be applying a specific encryption or substitution algorithm to each character of the input argument. This algorithm could involve shifting the characters in some way, resulting in the output 'ZPZSZ'.
2. Reversal: The mystery method might be reversing the input argument, resulting in the output 'ASCPA'. However, since the expected output is 'ZPZSZ', it seems more likely that there is some additional manipulation involved beyond simple reversal.
3. Custom logic: The mystery method could be using a custom logic or algorithm that has not been specified. Without further information, it is difficult to determine the exact steps involved.
The probable question may be:
What is the expected output or return value of the mystery method when called with the argument 'APCSA'?