Var

var(name: str, default: decimal, cache_by: tuple=())

Function that is used for holding dynamic variables. Returns object that supports:

get() -> decimal

returns value of variable or default if unset

set(value: decimal, ttl: decimal=inf) -> decimal

set value to value , returns value

ttl - optional ttl of variable, default to inf

Examples:

get returns 5 if variable unset

Set variable’s value to 10

Example: