Answer
The program have a SyntaxError and it can be corrected by placing parameter n before the parameter message in the definition of function nPrintln as follows, no other change is required:
def nPrintln(n, message = "Welcome to Python!"):
Work Step by Step
As per proper python syntax the parameters with default value are always placed after the variables with no default value. In the given code the definition of nPrintln function he parameter message has a default value but it is placed before the parameter n which have no default value, hence the given code contains SyntaxError. This can be easily resolved by placing parameter n before the parameter message in the definition of function nPrintln.