code with zaheer: Variables in python

Variable: it is a thing which going to store something.

- we can say that variable is a container that stores something.

ex: name = “Zaheer”

age = 24

here, name and age are variables. and “ = “ is an assignment operator to assign values to the variable.

- you can choose any name for a variable but, while we are working in a company or with a team then we should follow some rules and guidelines

◆ While we are working In a company we always have to follow some rules

◆ That means you have to write the code in such a manner (that is not only for u to understand)but it should be everyone in a team or in a company.

◆ Python is case-sensitive, means ex: [ name, NAME, Name, _name, _NAME ]

◆ The name of the variable always starts with a small or by capital letter it can’t start with any numbers or any special characters.

◆ In python, only one special character can be allowed to use as first the character of the variable that is “underscore _ “.

◆ here,name1=“Zaheer” can be a variable but, 1name=“Zaheer” can’t be a variable

◆ if you are going to a store such as for ex: your first name

First_name (--it is correct)

First name (--- it is wrong)

◆ In the same way, we have

First-name

First_Name

Last-name

We can store in this way

Last_name

◆ Assigning a single variable

name=“Zaheer”

◆ Assigning multiple variables

name, age = “john”, 10

◆ And same values for multiple variables

fname = lastname =middlename = “zaheer”

◆Comments :

“ # “we can make a single line comment

for multiple comments:

#for multiple comments
"""
-------
-------

"""

- whenever you are going to store a string that will always be in a quoted. you can use a single as well as double quotes

- single-quote for when you are going to assign a word

ex:‘a’ -word

“I am learning python“ -sentence.

"""for to store a paragraph or
 to make it as a comment"""

code with zaheer