維基百科python 網址前後加上引號'(可以單引號'SINGLE QUOTATION MARK也可以雙引號"DOUBLE QUOTATION MARK),命令SRC=SOURCE來源,嵌入框架中FRAME這些都是HTML=HyperText Markup Language=超文件標記語言。 Python uses whitespace indentation(空白鍵縮排), rather than curly brackets or keywords(而不是使用 大括號 ), to delimit blocks(來界定區段). An increase in indentation comes after certain statements; a decrease in indentation signifies the end of the current block.[82] Thus, the program's visual structure accurately represents its semantic structure.[83] This feature is sometimes termed the off-side rule. Some other languages use indentation this way; but in most, indentation has no semantic meaning. The recommended indent size is four spaces. 嵌入影片
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