Want to ask about a [: : - 1, 1] is what meaning, which members can help explain, thanks?-CodePudding

Home > other > Want to ask about a [: : - 1, 1] is what meaning, which members can help explain, thanks?

Want to ask about a [: : - 1, 1] is what meaning, which members can help explain, thanks?

Time：10-02

A [: : - 1, 1], the main behind don't understand