How to convert a float numpy.ndarray to list?

Question

here is my code

import numpy
a = numpy.arange(0.5, 1.5, 0.1, dtype=numpy.float64)
print(a)
print(a.tolist())

>>>[0.5 0.6 0.7 0.8 0.9 1.  1.1 1.2 1.3