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Person.rb ÖÐ
Python code:
class Person
def talk
puts "nihao"
end
end
Student.rb
Python code:
class Student < Person
def talk
puts "nihao"
end
end
p = Student.new
p.talk
½á¹û
>ruby Student.rb
Student.rb:1: uninitialized constant Person (NameError)
>Exit code: 1
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Python code:
class Student
include Person
def talk
puts "nihao"
end
end
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---- ChangeStr.rbÄÚÈÝ ------------------------------------------
def change_str(num)
str = num.to_s
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