Python exercises with solutions for freshers experienced professionals

Python is used across diverse fields from building websites, machine learning, AI to embedded automation.
Python is easy to use, powerful and versatile which makes it a great choice for beginners and experts.

You are college fresher looking do develop your python programming skills for job interviews/written tests.
You are an experienced professional looking to freshen up your Python programming skills.
You are pursuing an academic technical course and having a python programming assignment.

Practice the following python exercises on functions, string, list, dictionary, tuple, class for before software job interviews, written tests

No	Difficulty Level	Question
[1]	High	Write an email extractor program to extract emails from a website.
[2]	High	Write a program to convert from png file to jpg file.
[3]	High	Write a program to remove unwanted chars from given inputfile.txt to get outputfile.txt as output.

No	Difficulty Level	Question
[1]	Medium	Write a python program to calculate the average of five numbers passed by users using function.
[2]	High	Write a program to add two numbers by using an already written function add in addition.py.
[3]	Medium	Write a program to calculate factorial of a given number.
[4]	High	Write a calculator program using functions.
[5]	Medium	Write a program to use integer division and modulus to split up a given number of seconds to hours, minutes, and seconds.
[6]	Medium	Write a program to convert temperature from degrees Fahrenheit to degrees Celsius.
[7]	Medium	Write a program to to calculate the sum of two integers passed by users using function.

No	Difficulty Level	Question
[1]	High	Write a program to reverse a string that is passed by the user.
[2]	High	Write a python program function to count the character appearing maximum times in a given string.
[3]	Medium	Write a program to remove the last character of a string passed by the user and return the string after removal.
[4]	Medium	Write a program to alter ist and last character of a string and return the altered string.
[5]	Medium	Write a program to remove ist character of a string passed by the user and return the string after removal.

No	Difficulty Level	Question
[1]	High	Write a program to create a list after replacing two words(hello world on 2nd and third position) on all lines in a given file lines.txt.
[2]	High	Write a program to create a list by taking first word of all lines in a given file lines.txt.
[3]	Medium	Write a program to create a list after deleting 2nd and 3rd word of all lines in a given file lines.txt.
[4]	Medium	Write a program to create a list by taking the first 3 words of all lines in a given file lines.txt.
[5]	High	Write a program to calculate the average of five numbers passed by users using python lists.
[6]	High	Write a program to create a list by taking 2 words(3rd to 4th) of all lines in a given file lines.txt.
[7]	Medium	Write a program to accept a list and return the index of the string 'color' inside the list.
[8]	Medium	Write a program to create a list by taking the last 2 words of all lines in a given file lines.txt.
[9]	Medium	Write a program to take a list and string, return True if the string is found in the list more than once and False if string is found only once.
[10]	High	Write a program to create a list after deleting 3rd word of all lines in a given file lines.txt.
[11]	Medium	Write a program to read all words from a given file lines.txt and create a list of words.
[12]	Medium	Write a program to read all words from a given file lines.txt and create a list of words.

No	Difficulty Level	Question
[1]	Medium	Write a program to accept a dictionary and return the name of the value with key color.

No	Difficulty Level	Question
[1]	High	Write a program to accept a tuple, extract the last string item of the tuple and return the string after removing the first character of the string.

Python Data Type: Numbers & Applications
Python Data Type: Strings & Applications
Python Data Type: Lists & Applications
Python Data Type: Dictionary & Applications
Python Data Type: Tuples, Files & Applications
Python Data Type: Objects, Classes & Applications

Functions and its practical applications
Variables, Variables scope, Datatypes
Control flow, loops, operators, Macros
Arrays, Two dimensional arrays
Strings and its practical applications
Pointers and its practical applications
Structure, Unions, practical applications
Enums, Bit fiddling, practical applications
Data structures, practical applications

Microcontrollers, Tools & Peripherals
I2C Protocol & Applications
SPI Protocol & Applications
UART Protocol & Applications

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