# topics = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
# num_groups = 4
#
# print([topics[i::num_groups] for i in range(num_groups)])
v = "{{next_cursor}}"
if isinstance(v, str) and v.startswith("{{") and v.endswith("}}"):
    key = v.strip("{}")
    print(key)