Yawen's py book
===
## [wk01](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/H1aCrERe0)
## [wk02](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/HkDbuVClA)
## [wk03](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/rkWcdN0lA)
## [wk04](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/BkVjdVCx0)
## [wk05](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/Hkca_V0xC)
## [wk06](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/BykgYN0lR)
## [wk08](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/S1Z8tNAgA)
## [wk09](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/HkrlduXVA)
## [wk10](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/HJsYddQVC)
## [wk11](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/BJaVlKQV0)
## [wk12](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/H1I2eY7EA)
## [wk13](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/B1yXbtQEC)
## [wk14](https://hackmd.io/@_eVIqwsbQdGveGv1Dayszg/rkZkGt7VA)
## [wk15](http://)
## [wk16](http://)
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