MyClass4# class arianna_first_package.MyClass4(a: str)[source]# A whatever-you-are-doing. Parameters: a (str) – The a of the system. Examples >>> my_object = MyClass4(a = 'Arianna') greeting() → str[source]# Print a and says hello to the world!. Returns: ‘a’ and ‘says hello to the world!’. Return type: Str Examples >>> my_object = MyClass4(a='Arianna') >>> my_object.greeting() Arianna says hello to the world!