{"id":189,"date":"2022-03-20T06:58:47","date_gmt":"2022-03-20T06:58:47","guid":{"rendered":"https:\/\/pythongr.eclass.edu.gr\/wordpress\/?page_id=189"},"modified":"2022-03-20T06:58:48","modified_gmt":"2022-03-20T06:58:48","slug":"%cf%80%ce%af%ce%bd%ce%b1%ce%ba%ce%b5%cf%82","status":"publish","type":"page","link":"https:\/\/pythongr.eclass.edu.gr\/wordpress\/%cf%80%ce%af%ce%bd%ce%b1%ce%ba%ce%b5%cf%82\/","title":{"rendered":"\u03a0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2"},"content":{"rendered":"\n<p>\u0397 \u03b3\u03bb\u03ce\u03c3\u03c3\u03b1 Python \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ae \u03b4\u03bf\u03bc\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03b1\u03bb\u03bb\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af 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\u03ba\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03bb\u03af\u03c3\u03c4\u03b1. \u0388\u03c4\u03c3\u03b9, \u03c0\u03c1\u03bf\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03b1\u03c4\u03b5\u03cd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b4\u03bf\u03bc\u03ae \u03c4\u03ae\u03c2 \u03bb\u03af\u03c3\u03c4\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c3\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c4\u03b7\u03c2 \u03bd\u03b1 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd\u03b5 \u03c3\u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03c4\u03cd\u03c0\u03bf \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>>>> a1=&#91;11,22,13]\n>>> print(a1&#91;0])\n11\n>>> print(a1)\n&#91;11, 22, 13]\n>>> 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\u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b5\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03ae\/\u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03bf \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b5\u03af\u03c4\u03b5 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 &#8216;fork&#8217; \u03c3\u03c4\u03b7\u03bd \u03c0\u03ac\u03bd\u03c9 \u03b4\u03b5\u03be\u03b9\u03ac \u03b3\u03c9\u03bd\u03af\u03b1.<\/p>\n\n\n\n<script src=\"https:\/\/ideone.com\/e.js\/YxUYgX\" type=\"text\/javascript\" ><\/script>\n\n\n\n<p>\u03a0\u03c1\u03bf\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03c9\u03bd \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03bf\u03cd\u03bc\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03ad\u03bb\u03bf\u03c2 \u03c4\u03ae\u03c2 \u03bb\u03af\u03c3\u03c4\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03c4\u03bf\u03cd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>>>> a2=&#91;&#91;11,22],&#91;33,44],&#91;55,66]]\n>>> for i in a2:\n\tprint(i)\n\n\t\n&#91;11, 22]\n&#91;33, 44]\n&#91;55, 66]<\/code><\/pre>\n\n\n\n<p>\u03a3\u03c4\u03bf \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03bf\u03c1\u03af\u03c3\u03b1\u03bc\u03b5 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