{"id":2033,"date":"2023-07-24T00:14:06","date_gmt":"2023-07-24T00:14:06","guid":{"rendered":"https:\/\/statorials.org\/hi\/%e0%a4%aa%e0%a4%be%e0%a4%82%e0%a4%a1%e0%a4%be-%e0%a4%95%e0%a5%81%e0%a4%82%e0%a4%9c%e0%a5%80-%e0%a4%a4%e0%a5%8d%e0%a4%b0%e0%a5%81%e0%a4%9f%e0%a4%bf\/"},"modified":"2023-07-24T00:14:06","modified_gmt":"2023-07-24T00:14:06","slug":"%e0%a4%aa%e0%a4%be%e0%a4%82%e0%a4%a1%e0%a4%be-%e0%a4%95%e0%a5%81%e0%a4%82%e0%a4%9c%e0%a5%80-%e0%a4%a4%e0%a5%8d%e0%a4%b0%e0%a5%81%e0%a4%9f%e0%a4%bf","status":"publish","type":"post","link":"https:\/\/statorials.org\/hi\/%e0%a4%aa%e0%a4%be%e0%a4%82%e0%a4%a1%e0%a4%be-%e0%a4%95%e0%a5%81%e0%a4%82%e0%a4%9c%e0%a5%80-%e0%a4%a4%e0%a5%8d%e0%a4%b0%e0%a5%81%e0%a4%9f%e0%a4%bf\/","title":{"rendered":"\u092a\u0902\u0921\u094b\u0902 \u092e\u0947\u0902 \u0915\u0941\u0902\u091c\u0940 \u0924\u094d\u0930\u0941\u091f\u093f \u0915\u094b \u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u0930\u0947\u0902 (\u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0938\u093e\u0925)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u092a\u093e\u0902\u0921\u093e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f \u0906\u092a\u0915\u094b \u090f\u0915 \u0924\u094d\u0930\u0941\u091f\u093f \u0915\u093e \u0938\u093e\u092e\u0928\u093e \u0915\u0930\u0928\u093e \u092a\u0921\u093c \u0938\u0915\u0924\u093e \u0939\u0948:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #ff0000;\">KeyError<\/span> : 'column_name'\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u092f\u0939 \u0924\u094d\u0930\u0941\u091f\u093f \u0924\u092c \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u092c \u0906\u092a \u092a\u093e\u0902\u0921\u093e \u0921\u0947\u091f\u093e\u092b\u093c\u094d\u0930\u0947\u092e \u0915\u0947 \u0909\u0938 \u0915\u0949\u0932\u092e \u0924\u0915 \u092a\u0939\u0941\u0902\u091a\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b \u092e\u094c\u091c\u0942\u0926 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u0906\u092e\u0924\u094c\u0930 \u092a\u0930, \u092f\u0939 \u0924\u094d\u0930\u0941\u091f\u093f \u0924\u092c \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u092c \u0906\u092a \u0915\u093f\u0938\u0940 \u0915\u0949\u0932\u092e \u0928\u093e\u092e \u0915\u0940 \u0935\u0930\u094d\u0924\u0928\u0940 \u0917\u0932\u0924 \u0932\u093f\u0916\u0924\u0947 \u0939\u0948\u0902 \u092f\u093e \u0915\u0949\u0932\u092e \u0928\u093e\u092e \u0915\u0947 \u092a\u0939\u0932\u0947 \u092f\u093e \u092c\u093e\u0926 \u092e\u0947\u0902 \u0915\u094b\u0908 \u0906\u0915\u0938\u094d\u092e\u093f\u0915 \u0938\u094d\u0925\u093e\u0928 \u0936\u093e\u092e\u093f\u0932 \u0915\u0930 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0909\u0926\u093e\u0939\u0930\u0923 \u0926\u093f\u0916\u093e\u0924\u093e \u0939\u0948 \u0915\u093f \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u092e\u0947\u0902 \u0907\u0938 \u0924\u094d\u0930\u0941\u091f\u093f \u0915\u094b \u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u093f\u092f\u093e \u091c\u093e\u090f\u0964<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u0924\u094d\u0930\u0941\u091f\u093f \u0915\u094b \u092a\u0941\u0928: \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0948\u0938\u0947 \u0915\u0930\u0947\u0902<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\u092e\u093e\u0928 \u0932\u0940\u091c\u093f\u090f \u0915\u093f \u0939\u092e \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092a\u093e\u0902\u0921\u093e \u0921\u0947\u091f\u093e\u092b\u093c\u094d\u0930\u0947\u092e \u092c\u0928\u093e\u0924\u0947 \u0939\u0948\u0902:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">points<\/span> ': [25, 12, 15, 14, 19, 23, 25, 29],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [5, 7, 7, 9, 12, 9, 9, 4],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\npoints assists rebounds\n0 25 5 11\n1 12 7 8\n2 15 7 10\n3 14 9 6\n4 19 12 6\n5 23 9 5\n6 25 9 9\n7 29 4 12<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u0907\u0938\u0915\u0947 \u092c\u093e\u0926, \u092e\u093e\u0928 \u0932\u0940\u091c\u093f\u090f \u0915\u093f \u0939\u092e &#8220;\u092c\u093f\u0902\u0926\u0941&#8221; \u0928\u093e\u092e\u0915 \u0915\u0949\u0932\u092e \u092e\u0947\u0902 \u092e\u093e\u0928\u094b\u0902 \u0915\u094b \u092e\u0941\u0926\u094d\u0930\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#attempt to print values in 'point' column\n<\/span><span style=\"color: #008000;\">print<\/span> (df[' <span style=\"color: #ff0000;\">point<\/span> '])\n\n<span style=\"color: #ff0000;\">KeyError<\/span> Traceback (most recent call last)\n\/srv\/conda\/envs\/notebook\/lib\/python3.7\/site-packages\/pandas\/core\/indexes\/base.py in get_loc(self, key, method, tolerance)\n   3360 try:\n-&gt; 3361 return self._engine.get_loc(casted_key)\n   3362 except KeyError as err:\n\n\/srv\/conda\/envs\/notebook\/lib\/python3.7\/site-packages\/pandas\/_libs\/index.pyx in pandas._libs.index.IndexEngine.get_loc()\n\n\/srv\/conda\/envs\/notebook\/lib\/python3.7\/site-packages\/pandas\/_libs\/index.pyx in pandas._libs.index.IndexEngine.get_loc()\n\npandas\/_libs\/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()\n\npandas\/_libs\/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()\n\n<span style=\"color: #ff0000;\">KeyError<\/span> : 'dot'\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u091a\u0942\u0901\u0915\u093f \u0939\u092e\u093e\u0930\u0947 \u0921\u0947\u091f\u093e\u092b\u093c\u094d\u0930\u0947\u092e \u092e\u0947\u0902 \u0915\u094b\u0908 &#8220;\u0921\u0949\u091f&#8221; \u0915\u0949\u0932\u092e \u0928\u0939\u0940\u0902 \u0939\u0948, \u0939\u092e\u0947\u0902 \u090f\u0915 <strong>KeyError<\/strong> \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u0924\u094d\u0930\u0941\u091f\u093f \u0915\u094b \u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u0930\u0947\u0902<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\u0907\u0938 \u0924\u094d\u0930\u0941\u091f\u093f \u0915\u094b \u0920\u0940\u0915 \u0915\u0930\u0928\u0947 \u0915\u093e \u0924\u0930\u0940\u0915\u093e \u092c\u0938 \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u093e \u0939\u0948 \u0915\u093f \u0939\u092e\u0928\u0947 \u0915\u0949\u0932\u092e \u0928\u093e\u092e \u0915\u0940 \u0935\u0930\u094d\u0924\u0928\u0940 \u0938\u0939\u0940 \u0922\u0902\u0917 \u0938\u0947 \u0932\u093f\u0916\u0940 \u0939\u0948\u0964<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u092f\u0926\u093f \u0939\u092e \u0921\u0947\u091f\u093e\u092b\u093c\u094d\u0930\u0947\u092e \u092e\u0947\u0902 \u0938\u092d\u0940 \u0915\u0949\u0932\u092e \u0928\u093e\u092e\u094b\u0902 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u0905\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0939\u0948\u0902, \u0924\u094b \u0939\u092e \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u0915\u0949\u0932\u092e \u0928\u093e\u092e \u0915\u094b \u092a\u094d\u0930\u093f\u0902\u091f \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0938\u093f\u0902\u091f\u0948\u0915\u094d\u0938 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#display all column names of DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> ( <span style=\"color: #3366ff;\">df.columns.tolist<\/span> () <span style=\"color: #3366ff;\">)<\/span>\n\n['points', 'assists', 'rebounds']\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u0939\u092e \u0926\u0947\u0916 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f &#8220;\u092a\u0949\u0907\u0902\u091f\u094d\u0938&#8221; \u0928\u093e\u092e\u0915 \u090f\u0915 \u0915\u0949\u0932\u092e \u0939\u0948, \u0907\u0938\u0932\u093f\u090f \u0939\u092e \u0915\u0949\u0932\u092e \u0928\u093e\u092e \u0915\u0940 \u0938\u0939\u0940 \u0935\u0930\u094d\u0924\u0928\u0940 \u0915\u0930\u0915\u0947 \u0905\u092a\u0928\u0940 \u0924\u094d\u0930\u0941\u091f\u093f \u0915\u094b \u0920\u0940\u0915 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#print values in 'points' column\n<\/span><span style=\"color: #008000;\">print<\/span> (df[' <span style=\"color: #ff0000;\">points<\/span> '])\n\n0 25\n1 12\n2 15\n3 14\n4 19\n5 23\n6 25\n7 29\nName: points, dtype: int64\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">\u0939\u092e \u0924\u094d\u0930\u0941\u091f\u093f \u0938\u0947 \u092c\u091a\u0924\u0947 \u0939\u0948\u0902 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0939\u092e\u0928\u0947 \u0915\u0949\u0932\u092e \u0915\u093e \u0928\u093e\u092e \u0938\u0939\u0940 \u0932\u093f\u0916\u093e \u0939\u0948\u0964<\/span><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 \u0938\u0902\u0938\u093e\u0927\u0928<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u091f\u094d\u092f\u0942\u091f\u094b\u0930\u093f\u092f\u0932 \u092c\u0924\u093e\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f \u092a\u093e\u092f\u0925\u0928 \u092e\u0947\u0902 \u0905\u0928\u094d\u092f \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0924\u094d\u0930\u0941\u091f\u093f\u092f\u094b\u0902 \u0915\u094b \u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u093f\u092f\u093e \u091c\u093e\u090f:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/hi\/\u0915\u0949\u0932\u092e-\u0913\u0935\u0930\u0932\u0948\u092a-\u0939\u094b\u0924\u0947-\u0939\u0948\u0902-\u0932\u0947\u0915\u093f\u0928-\u0915\u094b\u0908-\u092a\u094d\u0930\u0924\u094d\u092f\u092f-\u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f-\u0928\u0939\u0940\u0902-\u0915\u093f\u092f\u093e-\u091c\u093e\u0924\u093e-\u0939\u0948\/\" target=\"_blank\" rel=\"noopener\">\u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u0930\u0947\u0902: \u0915\u0949\u0932\u092e \u0913\u0935\u0930\u0932\u0948\u092a \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 \u0932\u0947\u0915\u093f\u0928 \u0915\u094b\u0908 \u092a\u094d\u0930\u0924\u094d\u092f\u092f \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0928\u0939\u0940\u0902 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/a><br \/> <a href=\"https:\/\/statorials.org\/hi\/numpy-ndarray-\u0911\u092c\u094d\u091c\u0947\u0915\u094d\u091f-\u092e\u0947\u0902-\u0915\u094b\u0908-\u0935\u093f\u0936\u0947\u0937\u0924\u093e-\u0938\u0902\u0932\u0917\u094d\u0928-\u0928\u0939\u0940\u0902-\u0939\u0948\/\" target=\"_blank\" rel=\"noopener\">\u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u0930\u0947\u0902: \u0911\u092c\u094d\u091c\u0947\u0915\u094d\u091f &#8216;numpy.ndarray&#8217; \u092e\u0947\u0902 &#8216;append&#8217; \u0935\u093f\u0936\u0947\u0937\u0924\u093e \u0928\u0939\u0940\u0902 \u0939\u0948<\/a><br \/> <a href=\"https:\/\/statorials.org\/hi\/\u092f\u0926\u093f-\u0938\u092d\u0940-\u0905\u0926\u093f\u0936-\u092e\u093e\u0928\u094b\u0902-\u0915\u093e-\u0909\u092a\u092f\u094b\u0917-\u0915\u0930\u0924\u0947-\u0939\u0941\u090f-\u0906\u092a\u0915\u094b-\u090f\u0915-\u0938\u0942\u091a\u0915\u093e\u0902\u0915-\u092a\u093e\u0930\u093f\u0924-\u0915\u0930\u0928\u0947-\u0915\u0940-\u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e-\u0939\u0948-\u0924\u094b-\u092e\u093e\u0928-\u0924\u094d\u0930\u0941\u091f\u093f\/\" target=\"_blank\" rel=\"noopener\">\u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u0930\u0947\u0902: \u092f\u0926\u093f \u0906\u092a \u0938\u092d\u0940 \u0905\u0926\u093f\u0936 \u092e\u093e\u0928\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0924\u094b \u0906\u092a\u0915\u094b \u090f\u0915 \u0938\u0942\u091a\u0915\u093e\u0902\u0915 \u092a\u093e\u0930\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u0948<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u092a\u093e\u0902\u0921\u093e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f \u0906\u092a\u0915\u094b \u090f\u0915 \u0924\u094d\u0930\u0941\u091f\u093f \u0915\u093e \u0938\u093e\u092e\u0928\u093e \u0915\u0930\u0928\u093e \u092a\u0921\u093c \u0938\u0915\u0924\u093e \u0939\u0948: KeyError : &#8216;column_name&#8217; \u092f\u0939 \u0924\u094d\u0930\u0941\u091f\u093f \u0924\u092c \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u092c \u0906\u092a \u092a\u093e\u0902\u0921\u093e \u0921\u0947\u091f\u093e\u092b\u093c\u094d\u0930\u0947\u092e \u0915\u0947 \u0909\u0938 \u0915\u0949\u0932\u092e \u0924\u0915 \u092a\u0939\u0941\u0902\u091a\u0928\u0947 \u0915\u093e \u092a\u094d\u0930\u092f\u093e\u0938 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b \u092e\u094c\u091c\u0942\u0926 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930, \u092f\u0939 \u0924\u094d\u0930\u0941\u091f\u093f \u0924\u092c \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u092c \u0906\u092a \u0915\u093f\u0938\u0940 \u0915\u0949\u0932\u092e \u0928\u093e\u092e \u0915\u0940 \u0935\u0930\u094d\u0924\u0928\u0940 \u0917\u0932\u0924 \u0932\u093f\u0916\u0924\u0947 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2033","post","type-post","status-publish","format-standard","hentry","category-3"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u092a\u0902\u0921\u094b\u0902 \u092e\u0947\u0902 \u0915\u0941\u0902\u091c\u0940 \u0924\u094d\u0930\u0941\u091f\u093f \u0915\u094b \u0915\u0948\u0938\u0947 \u0920\u0940\u0915 \u0915\u0930\u0947\u0902 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