def make_repeater(n): return lambda s:s*n
twice=make_repeater(2) print(twice('wwss')) print(twice(2))
lambda s:s*n
意思是说,s作为参数,返回s*n作为结果
示例中s传入的是wwss,n传入的是2,
所有结果为:wwsswwss
结果:
/Users/didi/Documents/pycarm/venv/bin/python /Users/didi/Documents/pycharm_workstation/lambda_test.py
wwsswwss
4
Process finished with exit code 0