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用python語言寫一個(gè)計(jì)算圓周率的代碼

ChatGPT 3 類型 : program 標(biāo)簽 : python
1785

  用python語言寫一個(gè)計(jì)算圓周率的代碼

整理自網(wǎng)絡(luò)ChatGPT產(chǎn)生之內(nèi)容，文本內(nèi)容不具備參考意義，程序內(nèi)容及代碼片段有且僅有借鑒意義。

  

一種算法如下：

```
# 計(jì)算圓周率

# 導(dǎo)入math庫(kù)
import math

# 用math庫(kù)里的pi預(yù)先設(shè)置一個(gè)參考值
PI_ref = math.pi

# 計(jì)算圓周率
PI_calculated = 0
N = 100000
for i in range(0, N):
    PI_calculated += 1 / pow(i + 1, 2)
PI_calculated = pow(PI_calculated * 6, 0.5)

# 輸出結(jié)果
print("參考值：" + str(PI_ref))
print("計(jì)算值：" + str(PI_calculated))
```

Public @ 2023-02-18 12:30:14 整理自網(wǎng)絡(luò)ChatGPT產(chǎn)生之內(nèi)容，文本內(nèi)容不具備參考意義，程序內(nèi)容有且僅有借鑒意義。

基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ SQL ] SHOW COLUMNS FROM `ob_chatgpt` [ RunTime:0.017087s ]
[ SQL ] SELECT * FROM `ob_chatgpt` WHERE `id` = 8 LIMIT 1 [ RunTime:0.016268s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_chatgpt', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.016731s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.016745s ]
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[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.016985s ]
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[ SQL ] SELECT * FROM `ob_chatgpt` WHERE `id` = 8 LIMIT 1 [ RunTime:0.016257s ]
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[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017245s ]
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