装饰器

code

import time
 
def time_count(func):
    def wrapper(*args, **kwargs):
        start = time.time()
        res = func(*args, **kwargs)
        end = time.time()
        print(f'{func} time is {start - end}')
        return res
 
    return wrapper
 
@time_count  # home = time_count(home)
def home(name):
    print(f'hello  {name}  my brother')
    time.sleep(1)
    return name
 
res = home('egon')
print(f'res:{res}')

outputs

macname@MacdeMacBook-Pro py % python3 cccccc.py
hello  egon  my brother
<function home at 0x10ad880e0> time is -1.0011210441589355
res:egon
macname@MacdeMacBook-Pro py %