CRUD Operations with Django In Django, CRUD (Create, Read, Update, Delete) operations are used to interact with the database and perform various data manipulation tasks. Django’s built-in ORM (Object-Relational Mapping) provides a convenient way to handle these operations. Here’s a step-by-step guide on how to use CRUD operations with Django: Assuming you have already set …
M.Sc Python Programming Assignments Assignment 27 Question: Write a Python program to copy the contents of a file to another file Code: def copy_file(source_file, destination_file): with open(source_file, ‘r’) as source: with open(destination_file, ‘w’) as destination: for line in source: destination.write(line) print(“File copied successfully!”) # Example usage source_file = input(“Enter the source file name: “) destination_file …
M.Sc Python Programming Assignments Assignment 26 Question: Write a Python program to count the frequency of words in a file Code: def count_word_frequency(file_name): word_frequency = {} with open(file_name, ‘r’) as file: for line in file: words = line.strip().split() for word in words: if word in word_frequency: word_frequency[word] += 1 else: word_frequency[word] = 1 return word_frequency …
M.Sc Python Programming Assignments Assignment 25 Question: Write a Python program to count the number of lines in a text file Code: def count_file_lines(file_name): line_count = 0 with open(file_name, ‘r’) as file: for line in file: line_count += 1 return line_count # Example usage file_name = input(“Enter the file name: “) line_count = count_file_lines(file_name) print(“Number …
Connecting postgreSQL with DJANGO To create your first Django project refer to this blog – Creating first Django Project 1. Install psycopg2: Django uses the psycopg2 library to interact with PostgreSQL databases. Make sure you have it installed. You can install it using pip: pip install psycopg2 2. Configure the settings: …
How to create “Hello world” program in django. Creating a “Hello, World!” application in Django is a simple process. Django is a Python web framework that allows you to build powerful web applications quickly and efficiently. Here’s a step-by-step guide to creating a basic “Hello, World!” Django application: 1. Install Django: Make sure …
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M.Sc Python Programming Assignments Assignment 24 Question: Write a Python program to read a file line by line store it into an array. Code: def read_file_lines(file_name): lines = [] with open(file_name, ‘r’) as file: for line in file: lines.append(line.strip()) return lines # Example usage file_name = input(“Enter the file name: “) lines = read_file_lines(file_name) print(“File …
M.Sc Python Programming Assignments Assignment 23 Question: Write a Python function to check whether a number is perfect or not Code: def is_perfect_number(number): divisors = [] for i in range(1, number): if number % i == 0: divisors.append(i) if sum(divisors) == number: return True else: return False number = int(input(“Enter a positive integer: “)) if …
M.Sc Python Programming Assignments Assignment 22 Question: Write a Python function that takes a list and returns a new list with unique elements of the first list. Code: def unique_elements(lst): unique_list = list(set(lst)) return unique_list # Example usage my_list = [1, 2, 3, 2, 4, 5, 1, 3, 6] result = unique_elements(my_list) print(“Unique elements:”) print(result) …
M.Sc Python Programming Assignments Assignment 21 Question: Write a Python program to find the greatest common divisor (gcd) of two integers Code: def gcd(a, b): if b == 0: return a else: return gcd(b, a % b) # Example usage num1 = int(input(“Enter the first integer: “)) num2 = int(input(“Enter the second integer: “)) gcd_result …
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