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  DATA SCIENTIST ; what is a DATA SCIENTIST?                               A person who is employed to analysis and interpret complex digital data, using them in assist in business decision making. they analyze, process, and model data then interpret the result to create actional plans for companies and other organization . What you need to be a Data scientist?     Obvious degrees:      Computer science Statistics Physics Social science Mathematics  Applied Math Economic Skills; Python programming R programming Hadoop platform SQL database Machine learning and AI Data visualization Business strategy Pros & cons; pros; In demand Plenty of positions A highly paid career Data science is versatile Highly prestigious cons; Mastering Data science is near to impossible large amount of domain knowledge required problem of data privacy Arbitary...

 CALCULATOR USING PYTHON Download and Install Pycharm (its and IDE and an interpreter for python) LINK:" PYcharm " And Open it and start writting code . after that install Python from: " python "  IT WILL LOOK LIKE THIS IN THE END :  FOR CODE : " CALCULATOR "

Chapter 3                                           STRING'S String is a data type in Python. String is a sequence of characters enclosed in quotes .We can primarily, write a string in these three ways 1. Single quoted strings   ( a = "Harry") 2. Double quoted strings ( b = "Harry" ) 3. Trible quoted Strings  (c  = '!' Harry" ) String Slicing:                                     A String in Python can be sliced for getting a part of the string . Consider the following "string" : name= "[Harry]" => length = 5               0 1 2 3 4         (-5) (-4) (-3) (-2) (-1)                 ...

 CHAPTER 1  MODULES, COMMENTS, PIP   MODULES:                                 A module is a file containing code written by somebody else which can be imported and used in our programme. Types of modules: Build in modules: preinstalled in python  External modules: need to install using pip.               Pip is the package manager for python you can use pip to install a module on your system.  PIP : COMMENTS:                                 Comments are used to write something which the programmer dose not want to execute. Types of comments: Single line comment written using # (hash) multi line comments written using (" 123")