Teachers eye

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")

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