from pprint import pprint # for printing the final result in a pretty format
request_data = [
{
"id1": None,
"id2": "test1",
"id3": "test2",
},
{
"id1": None,
"id2": "test3",
"id3": "test4",
}
]
all_id2s = [entry['id2'] for entry in request_data]
pprint(all_id2s)
ZnJvbSBwcHJpbnQgaW1wb3J0IHBwcmludCAgIyBmb3IgcHJpbnRpbmcgdGhlIGZpbmFsIHJlc3VsdCBpbiBhIHByZXR0eSBmb3JtYXQKCnJlcXVlc3RfZGF0YSA9IFsKICAgIHsKICAgICAgICAiaWQxIjogTm9uZSwKICAgICAgICAiaWQyIjogInRlc3QxIiwKICAgICAgICAiaWQzIjogInRlc3QyIiwKICAgIH0sCiAgICB7CiAgICAgICAgImlkMSI6IE5vbmUsCiAgICAgICAgImlkMiI6ICJ0ZXN0MyIsCiAgICAgICAgImlkMyI6ICJ0ZXN0NCIsCiAgICB9Cl0KCmFsbF9pZDJzID0gW2VudHJ5WydpZDInXSBmb3IgZW50cnkgaW4gcmVxdWVzdF9kYXRhXQoKcHByaW50KGFsbF9pZDJzKQ==