第十四周作业

Description

1.使⽤pandas分别从Text、 CSV、 Excel、 Html、 MySQL、 MongoDB中加载数据 2.采购实例：分别用循环和矩阵点乘来计算采购总额，以及计算两个方式的性能 3.矩阵运算操作实例

Software Architecture

Software architecture description

Installation

1. xxxx
2. xxxx
3. xxxx

Instructions

1. xxxx
2. xxxx
3. xxxx

Contribution

1. Fork the repository
2. Create Feat_xxx branch
3. Commit your code
4. Create Pull Request

Gitee Feature

1. You can use Readme_XXX.md to support different languages, such as Readme_en.md, Readme_zh.md
2. Gitee blog blog.gitee.com
3. Explore open source project https://gitee.com/explore
4. The most valuable open source project GVP
5. The manual of Gitee https://gitee.com/help
6. The most popular members https://gitee.com/gitee-stars/