/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

2 votes331 views1 answer
Python read text file next line
Python
2 votes277 views3 answers
Sum array python
Python
0 vote380 views1 answer
Read tar.gz file python
Python
2 votes399 views2 answers
'flask' is not recognized as an internal or external command, operable program or batch file.
Python Flask
1 vote344 views2 answers
Call class function by string python
Python
0 vote330 views1 answer
Python detect color on screen
Python
0 vote358 views1 answer
Print choicefield data from database in django
Python Django
5 votes318 views1 answer
Convert jupyter notebook to python cmd line
Python
0 vote313 views1 answer
Django serializer get image list
Python
19 votes298 views1 answer
Turn off warnings
Python