def rand_blend_mask(shape, rand=rand.uniform(-<NUM_LIT:10>, <NUM_LIT:10>), **kwargs):
<EOL>z = rand(shape[<NUM_LIT:0>])  <EOL>noise = snoise2dz((shape[<NUM_LIT:1>], shape[<NUM_LIT:2>]), z, **kwargs)<EOL>return noise<EOL>
random blending masks