# enum in C
# ---------
enum {
    a,
    b,
    c
}
# a = 0
# b = 1
# b = 2

# enum in Python
# --------------
class Count(enum.IntEnum):
    a = enum.auto()
    b = enum.auto()
    c = enum.auto()
# a = 1
# b = 2
# b = 3


I am not sure why the `enum.auto()` starts with 1 in Python but this has just wasted a week worth of my time.

`auto()` starts with 1 because Enum numbering starts at 1 (which is in the docs, albeit buried in the Functional API section).

Thank you for your effort to save somebody else from that frustration, though, I appreciate it.

New changeset 2e9012a3e1e316c54e27f51ba5849ba06eab7da2 by Ethan Furman (YoSTEALTH) in branch 'master':
bpo-39234: Doc: `enum.auto()` incrementation value not specified. (GH-17872)
https://github.com/python/cpython/commit/2e9012a3e1e316c54e27f51ba5849ba06eab7da2

New changeset 24bcefcb74231476b055bb6f0726642abeb10f04 by Miss Islington (bot) (YoSTEALTH) in branch 'master':
bpo-39234: `enum.auto()` default initial value as 1 (GH-17878)
https://github.com/python/cpython/commit/24bcefcb74231476b055bb6f0726642abeb10f04

Thanks for the PRs.

New changeset eec7636bfd07412b5872c0683636e9e98bf79a8c by Ned Deily (Miss Islington (bot)) in branch '3.8':
bpo-39234: Doc: `enum.auto()` incrementation value not specified. (GH-17872) (GH-17875)
https://github.com/python/cpython/commit/eec7636bfd07412b5872c0683636e9e98bf79a8c

New changeset b0a6ec256b460f071e33b4633e5bec450d8e6394 by Ned Deily (Miss Islington (bot)) in branch '3.7':
bpo-39234: Doc: `enum.auto()` incrementation value not specified. (GH-17872) (GH-17876)
https://github.com/python/cpython/commit/b0a6ec256b460f071e33b4633e5bec450d8e6394