here is my list:
l = [[1, 2, 3], [11, 12, 'b', 'b', 'b'],[21, 't', 223], [4, 5, 6], [7, 8, 9],'demo',12.5]
my expected output like this by eliminating string 'b' and 't' in list;
[[1, 2, 3], [11, 12,], [21, 223], [4, 5, 6], [7, 8, 9], 'demo', 12.5]
What I have tried:
for i in l:
if type(i) == list:
for j in i:
if type(j) == str:
i.remove(j)
i got output like this;
[[1, 2, 3], [11, 12, 'b'], [21, 223], [4, 5, 6], [7, 8, 9], 'demo', 12.5]
there is one string "b" in list so i dont know to delete im stuck