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def __call__(self, *args, **kwargs): self.calls += 1 print(f"Call {self.calls} of {self.func.__name__}") return self.func(*args, **kwargs) @CountCalls def square(x): return x * x

multiply(4, 7) from functools import wraps

@debug def power(base, exp=2): """Raise base to exponent""" return base ** exp

def add(a, b): return a + b

print(power.) # power (not wrapper) print(power. doc ) # Raise base to exponent 6. Decorators with arguments (nested factory) def repeat(times): def decorator(func): @wraps(func) def wrapper(*args, **kwargs): for _ in range(times): result = func(*args, **kwargs) return result return wrapper return decorator