Rounding to significant figures in numpy

Question

I\'ve tried searching this and can\'t find a satisfactory answer.

I want to take a list/array of numbers and round them all to n significant figures. I have written

Answer 1

For Scalars

sround = lambda x,p: float(f'%.{p-1}e'%x)

Example

>>> print( sround(123.45, 2) )
120.0

For Arrays

Use Scott Gigante's signif(x, p) fig1 fig2