Parallel tasks of turtles

Launching parallel tasks
Reading the value of a variable and the result of a function
Synchronization of multiple objects

who - get turtle's name
setname - set turtle's name
this - current turtle
all - get list of all turtles
children - list of child turtles
parent - get parent turtle
talkto, tto - set active turtle
lock - execute instructions with exclusive access to a variable

See also:

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