Suppress the output of any Python function.
def add(x: int, y: int) -> int:
"""Add two numbers."""
z = x + y
print(f'{x} + {y} = {z}')
return z>>> add(1, 2) # Returns 3.
1 + 2 = 3>>> from quiet import quiet
>>> quiet(add)(1, 2) # Returns 3.