Convert a string to a list of floats (in python)

Question

For data storage purposes I am trying to recover lists of floats from a .txt file. From the string like:

a = \'[1.3, 2.3, 4.5]\'

I want to recover:<

Answer 1

well if you are sure that your input data is of type, a = '[1.3, 2.3, 4.5]' then you could use the eval command and assign it to same or a different variable.

a = '[1.3, 2.3, 4.5]'
b=eval(a)
print(b.__class__)  # to know if b is of type list or not