Meaning of "本ノック"?


I've seen some books with "本ノック" in the title, such as "Python実践データ分析100本ノック"
and "有機化学1000本ノック 反応機構編" but can't figure out what it actually means.

I've also seen it used in a sentence like below:

> 実話100本ノックよ!!

For context, the speaker above is trying to prove to someone that ghosts
exist, so they're saying something to the effect of "having 100 true stories."

It seems to be a counter used to make what's being counted sound more
impressive than it actually is, but I have no idea.




It's [baseball
jargon](https://www.weblio.jp/content/%E3%83%8E%E3%83%83%E3%82%AF) (see ３) for
a type of _[fielding
practice](https://www.weblio.jp/content/%E5%8D%83%E6%9C%AC%E3%83%8E%E3%83%83%E3%82%AF)_
, but in this context the same term is used to mean _repeated practice_ or
_drill_ in general.

Thanks to **goldbrick** for clarifying the baseball jargon.




It's [baseball
jargon](https://www.weblio.jp/content/%E3%83%8E%E3%83%83%E3%82%AF) (see ３) for
a type of _[fielding
practice](https://www.weblio.jp/content/%E5%8D%83%E6%9C%AC%E3%83%8E%E3%83%83%E3%82%AF)_
, but in this context the same term is used to mean _repeated practice_ or
_drill_ in general.

Thanks to **goldbrick** for clarifying the baseball jargon.

