SystemVerilog Tutorial in 5 Minutes - 09 Function and Task

00:00 Intro
00:09 Using function
01:06 Using function argument
01:28 Void function and function return value
02:02 Variable lifetime
02:53 task vs function
03:40 Providing function argument

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Is it required to learn both verilog & system verilog.? If yes then we want verilog tutorial as well