Remove string data from nested list and also print index before printing

Remove string data from nested list and also print index before printing.py

# Remove string data from nested list and also print index before printing

lst=[
    [1,2,3],
    [11,12,'a','b','C','D', 4],
    [21,'t',23],
    [4,5,6,['raja','baja', 'saja', 4444]],
    [7,87,9],
    'demo',
    12.5
]

def find_str(iter, parent_l, index):
    if type(iter) == str or type(iter) == int or type(iter) == float:
        if type(iter) == str:
            print(f'string {iter} at {index}:', )
            parent_l.remove(iter)
        return iter

    index = 0
    index_d = 0
    while index < len(iter):
        return_val = find_str(iter[index],iter, index_d )
        index_d += 1
        if type(return_val) != str:
            index += 1


find_str(lst, None, None)
print('********************************************')
lst