$11\mathrm{.}15$ LAB: Artwork label $($classes$/$constructors$)$

Define the Artist class with a constructor to initialize an artist's information and a print$\_$info$()$ method. The constructor should by default initialize the artist's name to "unknown" and the years of birth and death to $-1.$ print$\_$info$)$ displays "Artist:", then a space, then the artist's name, then another space, then the birth and death dates in one of three formats:

$($XXXX to YYYY$)$ if both the birth and death years are nonnegative

$($ xXXX to present$)$ if the birth year is nonnegative and the death year is negative

$($unknown$)$ otherwise

Define the Artwork class with a constructor to initialize an artwork's information and a print$\_$info$)$ method. The constructor should by default initialize the title to "unknown", the year created to $-1,$ and the artist to use the Artist default constructor parameter values.

Ex: If the input is:the output is:Ex: If the input is:Brice Marden

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