Running the given python file gives an error.
python3 fixme1.py
File "fixme1.py", line 20
print('That is correct! Here\'s your flag: ' + flag)
^
IndentationError: unexpected indent
After fixing the IndentationError, the code runs and gives the flag.
python3 fixme1.py
That is correct! Here's your flag: picoCTF{1nd3nt1ty_cr1515_6a476c8f}