技術英語 > Rather than [leaving it to chance], use try to wrap your code,

@ Introducing Python: Modern Computing in Simple Packages by Bill Lubanovic
(No. 2903 / 12833)

Rather than leaving it to chance, use try to wrap your code, and except to provide the error handling:

leave it to the expertで「専門家に任せる」だが、上記の言い回しだと

放置、運を天に任せる