In the python interpreter, the output string is enclosed in quotes ... Lists can contain different types of objects and are more flexible than an array of C structs arrays, because arrays are ...

so they aren’t constrained by Python’s limitations. NumPy provides a specialized array type that is optimized to work with machine-native numerical types such as integers or floats.

It is getting harder to find home laser printers, and earlier printer technologies such as dot matrix are almost gone ... printer pins to NumPy matrices Python integration with CUPS using Tea4CUPS ...