Why learn Python?

• Huge community support.

• Easy to understand & implement.

• Library for approx everything.

• Used for automation & scripting.

Python status & console:

Create a directory master-class-for-python under which all the python file will be kept.

Print command:

Variable, constant & Data types:

There are 4 data types:

• str - string

• int -integer

• float - floating

• bool - boolean(True/ False)

Variable, constant & printing of variable:

Script for Calculator:

Addition of 2 nos.:

Input from the user:

Input from the user is str type which needs to be converted in float or int type, this conversion of data type is: type casting.

Type Casting: (str to float)

Different Calculator operator:

Type Casting: (str to int) & Calculator:

if statement:

if-else statement:

Data Structure & Algorithms:

• List

• Set

• Tuple

• Dictionary

Multiple values can be added to list.

append is used to add the data in list.

Different types of data can be put on the list.

Diff b/w Array & List:

Array: a collection of similar type data.

List: a collection of different types of data.

Printing of List:

Range:

i[4]=(0,1,2,3)

always start from 0.

for loop for printing range:

Printing the whole list by using for loop:

Dictionary:

• Key-value pair.

• for getting & adding.

Dictionary Updation:

Import a library:

import - keyword.

os - is a library.

getcwd - current working directory.

shutil - module offers a number of high-level operations on files and collections of files.

Print disk usage:

F string: formatting of the string

Thank you for reading!Happy Learning!!

Santosh Chauhan