how to remove an element from a nested list?

Question

if i have an nested list such as:

m=[[34,345,232],[23,343,342]]

if i write m.remove(345) it gives an error message saying elem

Answer 1

You can delete by using delete:- del m[1][1] or by using below code

for i in m:
    for j in i:
        if j==345:
            i.remove(j)
print(m)