Question

I have 2 troubles with my data, can anyone help me:

How can I get from this:

1.

k=[['1','7', 'U1'],
 ['1.5', '8', 'U1'],
 ['2', '5.5', 'U1']]

get this

1,7,U1
1.5,8,U1
2,5.5,U1

---

EDIT 2 I MAKE SOME CHANGE ON second case:, still searching solution for this one:

2. And how to get, from this

l=array([[[ 4.24231542], 'U1'],
       [[ 3.41424819], 'U1'],
       [[ 2.17214734], 'U1'],], dtype=object)

get

4.24231542,U1
3.41424819,U1
2.17214734,U1

Thanks

Answer 1

1)

for x in k:
    print(','.join(x))

2)

for x,y in l:
    print('%.8f,%s' % (x[0], y))