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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                round()函數,第二個數表示要保留四舍五入后的位數 ![](https://img.kancloud.cn/65/54/655411d96c4381663fb011f97738f987_280x230.png) 注意:除法的bug,還是浮點數的十進制轉化為二精制惹的禍 \>>> round(1.2345,3) 1.234 \#應該是1.235 \>>> round(2.235,2) 2.23 \#應該是2.24 (3) **常用數學函數和運算優先級**
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