“Kesalahan nama di Ruby” Kode Jawaban

Kesalahan nama di Ruby

irb
2.7.3 :001 > a_variable
NameError (undefined local variable or method `a_variable' for main:Object)
2.7.3 :002 > a_variable = 7
 => 7
2.7.3 :003 > a_variable
 => 7