import numpy as np

rng = np.random.default_rng(seed=2026)

uniform = rng.random(size=(2, 3))
integers = rng.integers(low=1, high=10, size=(2, 3))
normal = rng.normal(loc=100, scale=5, size=6)

print("uniform shape:", uniform.shape)
print(np.round(uniform, 3))
print("integers shape:", integers.shape)
print(integers)
print("normal mean:", round(float(normal.mean()), 2))
print("normal std:", round(float(normal.std(ddof=1)), 2))

shape_checks = (
    uniform.shape == (2, 3)
    and integers.shape == (2, 3)
    and normal.shape == (6,)
)
integer_bounds = ((integers >= 1) & (integers < 10)).all()

print("shape checks passed:", shape_checks)
print("integer bounds passed:", bool(integer_bounds))