Text message not being sent to a list of numbers but is sent when just one number is specified

system("cmd /k ren ref.txt ref1.txt");

system("ren ref.txt ref1.txt");

=IFERROR(INT(A1),A1)

1,2,3.02,3.234,2.52

res = []
with open('input.txt') as file:
    number_list = file.readline().strip().split(',')
    for num in number_list:
        sig_fig = 0
        if '.' in number:
            sig_fig = len(number.split('.')[-1])
        res.append(sig_fig)
print(res)

def get_sig_fig(num):
    return len(num.split('.')[-1]) if '.' in num else 0

with open('input.txt') as file:
    number_list = file.readline().strip().split(',')
    res = list(map(get_sig_fig, number_list))
    print(res)

q){$[any (r:neg[x]?x)=til x;.z.s x;r]}5
3 2 4 0 1
q){$[any (r:neg[x]?x)=til x;.z.s x;r]}5
2 0 4 1 3