a911d9b9___Chameleon_2_10_documentation__Prefix
[Description] Negate the expression result [Prefix] 
not
e x i s t s
i m p o r t
l o a d
n o t
p y t h o n
s t r i n g
s t r u c t u r e
Language Reference — Chameleon 2.10 documentation
Prefix