The following are some of the important skills to possess which will come handy when performing data analysis using Python. Good understanding of the built-in data types especially lists, dictionaries, tuples and sets. Mastery of N-dimensional NumPy arrays. Mastery of pandas dataframes (SQL) Structured Query Language, is the ubiquitous industry-standard database language and is possibly the most important skill for data analysts to know. Microsoft Excel ,Tableau , Power BI , Data Visualization , Presentation Skills , Machine Learning , Data Cleaning and Preparation , Data Analysis and Exploration , Statistical Knowledge , Creating Data Visualizations , Creating Dashboards and/or Reports , Creating Dashboards and/or Reports ,