10
5
-1
-1
-1
1
1
0
2
...
If I want to count the number of occurrences of each number in a file, how do I use python to do it?If I want to count
10
5
-1
-1
-1
1
1
0
2
...
If I want to count the number of occurrences of each number in a file, how do I use python to do it?If I want to count