Get rebar cover number

[technitutors]

Im trying to get the rebar cover as a single value. But I am getting just the list. How do I get the numerical value of Rebar cover 1?

[Draxl_Andreas]

@technitutors ,

elems = IN[0]
nums = []

for i in elems:
    nums.append(float(i))

OUT = nums

[christian.stan]

Hello,
here is a possibility

cordially
christian.stan