Why the names aren't printing?

Question

I tried to make a data type object and the name in arrays are blank when printed. Please fix.
https://code.sololearn.com/cFsuS0WbD54O/?ref=app

Answer 1

You also have to specify the number of characters for "Name" data types, So place, for example 16 after np.unicode with a comma. And though for 'f' and 'i' types it is not required at all.

Answer 2

Valmob101 thanks it works now!