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åˆå¿ƒã«å¸°ã£ã¦pythonã§è‰²ã‚“ãªã‚‚ã®ã®æœ€å¤§å€¤ã€æœ€å°å€¤ã‚’求ã‚る方法。max関数ã€min関数ã®ä½¿ã„æ–¹ã§ã™ã€‚ æ„外ã¨ã“ã†ã„ã†ç³»ã®ãƒ¯ãƒ¼ãƒ‰ã§æ¤œç´¢ã—ã¦ã‚‹äººãŒå¤šã„ã£ã½ã„ã®ã§ã€‚ リストã¨ã‹ã‚¿ãƒ—ルã¨ã‹é›†åˆåž‹ã¨ã‹ã¾ãšã¯ä¸€ç•ªåŸºæœ¬ã€‚リスト型ã¨ã‚¿ãƒ—ル型。ã¡ã‚‡ã£ã¨å¤‰ã‚り種ã§é›†åˆåž‹ã€‚ >> list = [1, 4, 8, 2] >>> max(list) 8 >>> min(list) 1 >>> tuple = (1, 4, 8, 2) >>> max(tuple) 8 >>> min(tuple) 1 >>> set = {1, 4, 8, 2} >>> max(tuple) 8 >>> min(tuple) 1 ">Copy >>> list = [1, 4, 8, 2] >>> max(list) 8 >>> min(list) 1 >>> tuple = (1, 4, 8, 2) >>> max(tuple
Python: テã‚ストファイルã®èªã¿è¾¼ã¿ - read()ã€readlines()ã€readline()メソッド - Yukun's Blog
以下ã®èªã¿è¾¼ã¿ç”¨ãƒ†ã‚ストファイルを用ã„ã¦ã€ text.txt It is meaningless only to think my long further aims idly. It is important to set my aims but at the same time I should confirm my present condition. Unless I set the standard where I am in any level, I'll be puzzled about what I should do from now on. 以下ã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’用ã„ãŸå ´åˆã®å‡¦ç†ã‚’書ã„ã¦ã¿ã¾ã™ã€‚ read() – ファイルを全ã¦èªã¿è¾¼ã¿ã€ãã®æ–‡å—列データã«å¯¾ã—ã¦å‡¦ç†ã‚’行ㆠreadlines() – ファイルを全ã¦èªã¿è¾¼ã¿ã€1行毎ã«å‡¦ç†ã‚’行ㆠreadline() – 1行毎
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from datetime import datetime as dt tstr = '2012-12-29 13:49:37' tdatetime = dt.strptime(tstr, '%Y-%m-%d %H:%M:%S') strptimeã®ç¬¬äºŒå¼•æ•°ã¯ç¬¬ä¸€å¼•æ•°ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã‚’渡ã™ã€‚ 例ãˆã°ã€ tstr = '2012/12/29 13:49:37'ã ã£ãŸå ´åˆã€ dt.strptime(tstr, '%Y/%m/%d %H:%M:%S') æ–‡å—列ã‹ã‚‰æ—¥ä»˜(date) import datetime tstr = '2012-12-29 13:49:37' tdatetime = datetime.datetime.strptime(tstr, '%Y-%m-%d %H:%M:%S') tdate = datetime.date(tdatetime.year, tdatetime.mo
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Python ã§æ–‡å—列を別ã®æ–‡å—列ã§ç½®æ›ã—ãŸã„ã¨ã㯠replace ã‚ã‚‹ã„㯠re.sub を使ã„ã¾ã™ã€‚ replace ã¯å˜ç´”ãªæ–‡å—列置æ›ã‚’è¡Œã„ã¾ã™ã€‚æ£è¦è¡¨ç¾ã‚’利用ã—ãŸã‚ˆã‚Šè¤‡é›‘ãªç½®æ›ã‚’è¡Œã†ãŸã‚ã«ã¯æ¨™æº–ライブラリ㮠re モジュールã«ã‚ã‚‹ re.sub を使用ã—ã¾ã™ã€‚ replace を使用ã—ã¦æ–‡å—列を置æ›ã™ã‚‹ replace ã®è¨˜è¿°æ–¹æ³•ã¯ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚
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15.4. argparse — Parser for command-line options, arguments and sub-commands — Python 2.7.18 documentation
Source code: Lib/argparse.py Tutorial This page contains the API reference information. For a more gentle introduction to Python command-line parsing, have a look at the argparse tutorial. The argparse module makes it easy to write user-friendly command-line interfaces. The program defines what arguments it requires, and argparse will figure out how to parse those out of sys.argv. The argparse mod
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