Study Glance
🐍
B.TECH I YEAR • II SEMESTER • R25

Python Programming - Lab Manual

Python Programming Laboratory • Program Solution

📘 R25 Regulation 🎓 I Year 📚 II Semester 🐍 Python Programming 🧪 Lab Program
Selected Program

Python Installation and Documentation

← All Python Programs

Aim:

☛   Start a Python interpreter and use it as a Calculator.

Solution :


To Start the Python interpreter in your Linux (Ubuntu) system, open terminal by pressing Ctrl + ALT + T and then type following command press enter.


$ python3

And then type following

Integer to Integer : 

 
>>> a = 10
>>> b = 30 

>>> print ( type ( a ) )
	< class ' int ' > 

>>> print ( type ( b ) )
	< class ' int ' > 

>>> print ( a + b )
	40 

>>> print ( a - b )
	-20 

>>> print ( a * b )
	300 

>>> print ( a / b )
	0.3333333333333333 

>>> print ( a % b )
	10 

>>> print ( a ** b )
	1000000000000000000000000000000 

>>> print ( a // b )
	0

Integer to Float : 

 
>>> a = 10
>>> b = 3.25 

>>> print (type(a))
	< class ' int ' > 

>>> print (type(b))
	< class ' float ' > 

>>> print ( a + b )
	13.25 

>>> print ( a - b )
	6.75 

>>> print ( a * b )
	32.5 

>>> print ( a / b )
	3.076923076923077 

>>> print ( a % b )
	0.25 

>>> print ( a ** b )
	1778.2794100389228 

>>> print ( a // b )
	3.0

Float to Float : 

 
>>> a = 6.78
>>> b = 2.34 

>>> print (type(a))
	< class ' float ' > 

>>> print ( type ( b ) )
	< class ' float ' > 

>>> print ( a + b )
	9.120000000000001 
	
>>> print ( a - b )
	4.44 
>>> print ( a * b )
	15.8652 

>>> print ( a / b )
	2.897435897435898 

>>> print ( a % b )
	2.1000000000000005 

>>> print ( a ** b )
	88.12060773350571 
	
>>> print ( a // b )
	2.0

Integer to String : 

 
>>> a = 6
>>> b = " python " 

>>> print ( type ( a ) )
	< class ' int ' > 

>>> print ( type ( b ) )
	< class ' str ' > 

>>> print ( a + b )
	TypeError: unsupported operand type(s) for + : ' int ' and ' str ' 

>>> print ( a - b )
	TypeError: unsupported operand type(s) for - : ' int ' and ' str ' 
	
>>> print ( a * b )
	python python python python python python

>>> print ( a / b )
	TypeError: unsupported operand type(s) for / : ' int ' and ' str ' 

>>> print ( a % b )
	TypeError: unsupported operand type(s) for % : ' int ' and ' str ' 
	
>>> print ( a ** b )
	TypeError: unsupported operand type(s) for ** : ' int ' and ' str ' 
	
>>> print ( a // b )
	TypeError: unsupported operand type(s) for // : ' int ' and ' str '

String to String : 

 
>>> a = " python "
>>> b = " Programming " 

>>> print ( type ( a ) )
	< class ' str ' > 

>>> print ( type ( b ) )
	< class ' str ' > 

>>> print ( a + b )
	python Programming

>>> print ( a - b )
	TypeError: unsupported operand type(s) for - : ' str ' and ' str ' 

>>> print ( a * b )
	TypeError: unsupported operand type(s) for * : ' str ' and ' str ' 

>>> print ( a / b )
	TypeError: unsupported operand type(s) for / : ' str ' and ' str ' 

>>> print ( a % b )
	TypeError: unsupported operand type(s) for % : ' str ' and ' str ' 

>>> print ( a ** b )
	TypeError: unsupported operand type(s) for ** : ' str ' and ' str ' 

>>> print ( a // b )
	TypeError: unsupported operand type(s) for // : ' str ' and ' str '

Integer to Complex : 

 
>>> a = 9
>>> b = 3 + 4j 

>>> print ( type ( a ) )
	< class ' int ' > 

>>> print ( type ( b ) )
	< class ' complex' > 

>>> print ( a + b )
	( 12 + 4j ) 

>>> print ( a - b )
	( 6 - 4j ) 

>>> print ( a * b )
	( 27 + 36j ) 

>>> print ( a / b )
	( 1.08 - 1.44j ) 

>>> print ( a % b )
	TypeError: unsupported operand type(s) for % : ' int ' and ' complex ' 

>>> print ( a ** b )
	( - 586.5166552058375 + 432.9425056126467j )

>>> print ( a // b )
	TypeError: unsupported operand type(s) for //: ' int ' and ' complex '

Float to Complex : 

 
>>> a = 4.83
>>> b = 3 + 4j 

>>> print ( type ( a ) )
	< class ' float ' > 

>>> print ( type ( b ) )
	< class ' complex' > 

>>> print ( a + b )
	( 7.83 + 4j ) 

>>> print ( a - b )
	( 1.83 - 4j ) 

>>> print ( a * b )
	( 14.49 + 19.32j ) 

>>> print ( a / b )
	TypeError: unsupported operand type(s) for / : ' int ' and ' complex ' 

>>> print ( a % b )
	TypeError: unsupported operand type(s) for % : ' int ' and ' complex ' 

>>> print ( a ** b )
	( 112.66380061063158 + 1.8253767513645904j )

>>> print ( a // b )
	TypeError: unsupported operand type(s) for //: ' int ' and ' complex '

💻 Run This Python Program

Python Installation and Documentation
The selected Python program is loaded automatically into the editor. Edit the program, provide input if required and click Run.

The compiler is embedded using OneCompiler. Your Python program runs inside the embedded Python environment; Study Glance does not execute Python code directly on your web server.

Related Python Lab Programs

🐍

Python Basics

1. Use a web browser to go to Python website http://python.org. Start Python interpreter and type help(). View Solution →
2. Start Python interpreter and use it as a calculator. Current
3. Write a Python program to calculate compound interest for given principal amount, rate of interest and number of periods. View Solution →
4. Write a Python program to read name, address, email and phone number through keyboard and print them. View Solution →
5. Write a Python program to print the given triangle pattern. View Solution →
6. Write a Python program to check whether the given input is a digit, lowercase letter, uppercase letter or special character. View Solution →
7. Write a Python program to print all prime numbers in a given interval using break. View Solution →
📋

Arrays, Lists and Tuples

1. Write a Python program to convert a list and tuple into arrays. View Solution →
2. Write a Python program to find common values between two arrays. View Solution →
3. Write a Python function to check whether a given string is a palindrome. View Solution →
4. Write a Python function is_sorted() to check whether the elements of a list are sorted. View Solution →
5. Write a Python function has_duplicates() to check whether a list contains duplicate elements. View Solution →
6. Write a Python function remove_duplicates() to remove duplicate elements from a list. View Solution →
🔤

Strings and Dictionaries

1. Write a Python program to add single-letter words such as I, a and an empty string to a given word list. View Solution →
2. Write a Python program to read dictionary values and invert its content. View Solution →
3. Write a Python program to add a comma between every character of a string. Example: Apple → A,p,p,l,e. View Solution →
4. Write a Python program to remove a given word from all occurrences in a string. View Solution →
5. Write a Python function to capitalize the first letter of each word in a sentence and convert the remaining letters to lowercase without built-in functions. View Solution →
🔁

Recursion and Matrices

1. Write a recursive Python function to generate all binary strings of n-bit length. View Solution →
2. Write a Python program to define a matrix and print the matrix. View Solution →
3. Write a Python program to multiply two square matrices. View Solution →
⚙️

Modules, Exceptions and Classes

1. Create a Python module and demonstrate its use with geometric shapes and operations. View Solution →
2. Write a Python program to handle all general-purpose exceptions. View Solution →
3. Define draw_rectangle(Canvas, Rectangle) and write a Python program to draw a rectangle. View Solution →
4. Add a color attribute to the Rectangle class and modify draw_rectangle() to draw a colored rectangle. View Solution →
5. Define draw_point(Canvas, Point) and write a Python program to draw a point. View Solution →
6. Create a Circle class and write a Python program with draw_circle() to draw a circle. View Solution →
📁

Validation and File Handling

1. Write a Python program to read phone number and email address and validate them. View Solution →
2. Write a Python program to merge the contents of two files into a third file. View Solution →
3. Write a Python program to open a file, check whether specified words are present and display the words when found. View Solution →
4. Write a Python program to read a text file and find the word with the most number of occurrences. View Solution →
5. Write a Python program to find the number of words, vowels, blank spaces, lowercase letters and uppercase letters in a text file. View Solution →
📊

Python Libraries, Logic Gates and GUI

1. Import NumPy, Plotly and SciPy and explore their features. View Solution →
2. Install NumPy using pip and explore NumPy features and operations. View Solution →
3. Write a Python program to implement Digital Logic Gates: AND, OR, NOT and EX-OR. View Solution →
4. Create a GUI window wizard with two text labels, two text fields, Submit and Reset buttons. View Solution →
← Back to Python Lab Programs 📚 All Lab Manuals