Traceback (most recent call last): File "src.py", line 8, in <module> print(digui(n)) File "src.py", line 5, in digui return a*digui(n-1) File "src.py", line 5, in digui return a*digui(n-1) TypeError: unsupported operand type(s) for *: 'str' and 'str'