[Solved] Python script counting lines in multiple text files in one directory and producing simple report

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Your names dict looks like that:

{
    'file1.txt': 30,
    'file2.txt': 26,
    'file3.txt': 19,
    'file4.txt': 19
}

So you’d just have to start from that and follow with:

from collections import defaultdict

lines = defaultdict(int)
for val in names.values():
    lines[val] += 1

for k, v in lines.items():
    print("Files with {} lines: {}".format(k, v))

This will print something like:

Files with 19 lines: 2
Files with 26 lines: 1
Files with 30 lines: 1

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solved Python script counting lines in multiple text files in one directory and producing simple report