def make_repeater(n): return lambda s:s*n
twice=make_repeater(2) print(twice('wwss')) print(twice(2))
lambda s:s*n
意思是說,s作為參數,返回s*n作為結果
示例中s傳入的是wwss,n傳入的是2,
所有結果為:wwsswwss
結果:
/Users/didi/Documents/pycarm/venv/bin/python /Users/didi/Documents/pycharm_workstation/lambda_test.py
wwsswwss
4
Process finished with exit code 0