Question

How to remove specific element from list of lists in Python

Answer 1

lst_lst = [[1, 2, 3, 4], 
           [5, 6, 7, 8], 
           [9, 10, 11, 12]] 

to_remove = 6
 
lst_lst = [[e for e in lst if e != to_remove] for lst in lst_lst] 

print(lst_lst)



'''
run:

[[1, 2, 3, 4], [5, 7, 8], [9, 10, 11, 12]]

'''

 

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Answer 2

lst_lst = [[1, 2, 3, 4], 
           [5, 6, 7, 8], 
           [9, 10, 11, 12]] 

to_remove = 10
 
for lst in lst_lst: 
    lst[:] = [e for e in lst if e != to_remove] 

print(lst_lst)



'''
run:

[[1, 2, 3, 4], [5, 6, 7, 8], [9, 11, 12]]

'''

 

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