The setup code gives the following variables: Name Type Description r float so $-$ called radius of the norm ball Your code snippet should define the following variables: Name Type Description fig$\_1$ what plt$.$gca$()$ returns plot in $1$ norm fig$\_2$ what plt$.$gca$()$ returns plot in $2$ norm fig$\_3$ what plt$.$gca$()$ returns plot in $5$ norm fig$\_4$ what plt$.$gca$()$ returns plot in $0\mathrm{.}5$ norm