>>> from stars2 import stars2 >>> stars2('Mary') 'M*a*r*y' >>> stars2('Johan') 'J*o*h*a*n' >>> stars2('butterfly') 'b*u*t*t*e*r*f*l*y' >>> stars2('strawberry') 's*t*r*a*w*b*e*r*r*y' >>> stars2('Blood, sweat and tears') 'B*l*o*o*d*,* *s*w*e*a*t* *a*n*d* *t*e*a*r*s'