Downloading Python and Pycharm Installation

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String Slicing And Other Functions

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Strings : The string is a data type in Python.  Strings in Python programming language  are arrays of bytes representing a sequence of characters. In simple terms, Strings are the combination or collection of characters enclosed in quotes. Primarily, you will find 3 types of strings in Python : Single Quote String – (‘Single Quote String’) Double Quote String – (“Double Quote String”) Triple Quote String – (‘’’ Triple Quote String ‘’’) Let us now look into some functions you will use to manipulate or perform operations on strings. len() Function :  This len() function returns the total no. of characters in a string.  E.g. for string a="abc", len(a) will return 3 as the output as it is a string variable containing 3 characters Strings are one of the most used data types in any programming language because most of the real-world data such as name, address, or any sequence which contains alphanumeric characters are mostly of type ‘String’. E.g. Consider this string vari...
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So, today we will be writing our first program in Python Language. I know you were waiting to do this for long. Let's get to business and start writing our first python program. Follow the below steps: Simply Open Pycharm and create a new file in it. Keep in mind the file name should not match any module name. After creating a new file, simply type print(“Hello World”) And then run your program. You will get the output as “Hello World”. So, this is our first python program and in this program, we just used a print function. In this function whatever we pass in parenthesis () in a double quote or single quote, gets printed as it is on the screen. Make sure you have written and executed the below code to get a feel of what it looks like! Copy print ( "Hello world! I am learning Python from CodeWithHarry YouTube channel" )
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Lists : Python lists are containers used to store a list of values of any data type. In simple words, we can say that a list is a collection of any data type items or elements. E.g. Copy list1 = [ 'harry' , 'ram' , 'Aakash' , 'shyam' , 5 , 4.85 ] The above list contains strings, integer, and even float type data. A list can contain any kind of data i.e. it’s not mandatory to form a list of only one data type. The list can contain any kind of data in it. Remember we saw indexing in strings? List elements can also be accessed by using Indexes i.e. first element of the list has 0 indexes and the second element has 1 as its index and so on. Note: I f you put an index which isn’t in the list i.e. that index is not there in list then you will get an error. i.e. if a list named list1 contains 4 elements, list1[4] will throw an error because the list index starts from 0. Have a look at the examples below: List Methods : Here is the list of list methods of ...
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