delete_forked_repos.py

import requests


url = "https://api.github.com"
user = "<user-name>"
token = "<make-personal-access-token-@-https://github.com/settings/tokens>"

queries = [
    { "page": i , "per_page": 100 }
    for i in [1, 2, 3,]
]

for q in queries:
    public_repos = requests.get(f"{url}/users/{user}/repos", params=q).json()
    forked_and_stale_repos = [
        i
        for i in  public_repos
        if i["fork"] == True and i["created_at"][:-5] == i["updated_at"][:-5]
    ]
    for repo in forked_and_stale_repos:
        d = requests.delete(
            f"{url}/repos/{user}/{repo['name']}",
            headers={"authorization": f"bearer {token}"}
        )
        print(d)