/Python/Get all occurrence indices in list python

Get all occurrence indices in list python

a_list = [1, 2, 3, 1]

indices = []
for i in range(len(a_list)):
   if a_list[i] == 1:
      indices.append(i)

# more concise way
a_list = [1, 2, 3, 1]
indices = [index for index, element in enumerate(a_list) if element == 1]

Similar codes

0 vote320 views1 answer
Get element tag name beautfulsoup
Python
0 vote345 views1 answer
Change float column to percentage python
Python
1 vote354 views1 answer
Comentario em python
Python
1 vote345 views1 answer
Pyflakes invalid syntax
Python
0 vote318 views1 answer
Create a class patient with below attributes in Python
Python
3 votes351 views1 answer
Numpy how to calculate variance
Python
-1 vote383 views1 answer
Pandas merge_asof direction
Python
0 vote358 views1 answer
ImportError: cannot import name 'get_column_letter' openpyxl
Python
1 vote371 views1 answer
Python markdown indent
Python
0 vote364 views1 answer
No module named 'pygame' visual studio
Python