Is there a way to output the numbers only from a python list?

Question

Simple Question:

list_1 = [ \'asdada\', 1, 123131.131, \'blaa adaraerada\', 0.000001, 34.12451235265, \'stackoverflow is awesome\' ]

I want

Answer 1

>>> [ i for i in list_1 if not str(i).replace(" ","").isalpha() ]
[1, 123131.13099999999, 9.9999999999999995e-07, 34.124512352650001]