Python Tutorial for Beginners 4 – Python Variables and Types

///Python Tutorial for Beginners 4 – Python Variables and Types

Python Tutorial for Beginners 4 – Python Variables and Types

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In this Python Tutorial for Beginners Video I am going to show How to use Python Variables and Types. I will show How to declare variable, How to use Variable, How to Type cast variables In Python.
So what is a Variable ? A variable is a named place in the memory where a we can store data and later retrieve the data using the variable “name”. we get to choose the names of the variables. Also we can change the contents of a variable in a later statement.

As we discussed Python Introduction Video, that Python is completely object oriented and not “statically typed” i.e. Python is dynamically typed language. So we do not need to declare
variables before using them . In addition we don’t need to declare the variable type type. Every variable in Python is an object.

Python Variable Name Rules
Variable Must start with a letter or underscore _
Variable Must consist of letters and numbers and underscores
Variable are Case Sensitive
Good: name age tom25 _max
Bad: 45name #name age.22
Different: name Name NAME

Reserved Words
It is not allowed to use reserved words as variable names / identifiers
and del for is raise
assert elif from lambda return
break else global not try
class except if or while
continue exec import pass yield
def finally in print

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By |2019-10-14T23:21:58+00:00October 14th, 2019|Python Video Tutorials|20 Comments

20 Comments

  1. bergsdal October 14, 2019 at 11:22 pm - Reply

    Thank you dogi

  2. Harsha Maddur October 14, 2019 at 11:22 pm - Reply

    7:16 Hi, 10e10 will not give the correct answer as 10**10. Please check. I think 10e10 is not 10 to the power of 10. I don't think 10e10 and 10**10 both are same.

  3. saatwiik srivastava October 14, 2019 at 11:22 pm - Reply

    2e3 is giving 2000.0… which means it is actually 2 followed by 3 zeroes and not 2 to the power 3….this is in python 2.7.16

  4. Tim October 14, 2019 at 11:22 pm - Reply

    India Style English

  5. ASHISH SINGH October 14, 2019 at 11:22 pm - Reply

    u teach very well !

  6. yigit eren kaya October 14, 2019 at 11:22 pm - Reply

    good man keep going

  7. Sai g October 14, 2019 at 11:22 pm - Reply

    also many questions in my mind…can i share my questions with u? which will help to create many videos on that topics.

  8. Sai g October 14, 2019 at 11:22 pm - Reply

    video explanation is superb and gaining the knowledge ..can u make the video on few of the topics like how to connect the db like postgresql from python , getting the data based on list stored in python and need to pass the values from the data frame to query and retrive the data from postgresql db. If u can help me with my query?

  9. Kishan Vekariya October 14, 2019 at 11:22 pm - Reply

    Here the any links of courses you were given is not working may you give me a python course link..

  10. amol salve October 14, 2019 at 11:22 pm - Reply

    thanks sir

  11. Musharaf ullah October 14, 2019 at 11:22 pm - Reply

    sir i need your help i add the git bash terminal in vs code but it still open power shell terminal why? and how am add git bash please need your help

  12. Fauzia Iqbal October 14, 2019 at 11:22 pm - Reply

    You are good!

  13. Man October 14, 2019 at 11:22 pm - Reply

    I don't understand how the myNum variable becomes the float value

  14. Arti Gupta October 14, 2019 at 11:22 pm - Reply

    Thank u sir

  15. Pradeep Hatekar October 14, 2019 at 11:22 pm - Reply

    sir please continue posting as early as possible . I am really interested in it and waiting eagerly .

  16. Vishal Gupta October 14, 2019 at 11:22 pm - Reply

    Sir also make some projects in python please

  17. Abdirahmaan maahir October 14, 2019 at 11:22 pm - Reply

    thank you sir continue the series

  18. Gamer's Major October 14, 2019 at 11:22 pm - Reply

    Sir continue phyton series

  19. Gamer's Major October 14, 2019 at 11:22 pm - Reply

    Sir can we make a game using phyton

  20. Roy Royal October 14, 2019 at 11:22 pm - Reply

    Sir Python in HINDI
    Please

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