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PY0101EN-4.3_notebook_quizz_pandas.ipynb

{"cells":[{"cell_type":"markdown","metadata":{},"source":["<center>\n","    <img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/Logos/organization_logo/organization_logo.png\" width=\"300\" alt=\"cognitiveclass.ai logo\"  />\n","</center>\n"]},{"cell_type":"markdown","metadata":{},"source":["<h3> Get to Know a numpy Array </h3>\n"]},{"cell_type":"markdown","metadata":{},"source":["You will use the dataframe <code>df</code> for the following:\n"]},{"cell_type":"code","execution_count":null,"metadata":{},"outputs":[],"source":["import pandas as pd\n","\n","df=pd.DataFrame({'a':[11,21,31],'b':[21,22,23]})\n"]},{"cell_type":"markdown","metadata":{},"source":["1) plot the first three rows:\n"]},{"cell_type":"code","execution_count":null,"metadata":{},"outputs":[],"source":["df.head(3)"]},{"cell_type":"markdown","metadata":{},"source":["2) obtain column  <code> 'a' </code>\n"]},{"cell_type":"code","execution_count":null,"metadata":{},"outputs":[],"source":["df['a']"]},{"cell_type":"markdown","metadata":{},"source":["<hr>\n","\n","<h3 align=\"center\"> © IBM Corporation 2020. All rights reserved. <h3/>\n"]}],"metadata":{"kernelspec":{"display_name":"Python 3","language":"python","name":"python3"},"language_info":{"codemirror_mode":{"name":"ipython","version":3},"file_extension":".py","mimetype":"text/x-python","name":"python","nbconvert_exporter":"python","pygments_lexer":"ipython3","version":"3.7.6"}},"nbformat":4,"nbformat_minor":2}