how to get keyboard input in unity code example

Example 1: unity key detection

if (Input.GetKeyDown(KeyCode.Space))
        {
            print("space key was pressed");
        }

Example 2: get key unity

if(Input.GetKey(KeyCode.Space))
{
	//do somthing
}

Example 3: press key run code unity c#

if(Input.GetKey(KeyCode.space))
	{
  		print("Space key was pressed")
	}

Example 4: how to get keyboard input in unity

//https://docs.unity3d.com/ScriptReference/KeyCode.html - ALL KEYCODES