assignment

README.md

@@ -1,3 +1,5 @@
+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/WfNmjXUk)
+[![Open in Visual Studio Code](https://classroom.github.com/assets/open-in-vscode-2e0aaae1b6195c2367325f4f02e2d04e9abb55f0b24a779b69b11b9e10269abc.svg)](https://classroom.github.com/online_ide?assignment_repo_id=15379686&assignment_repo_type=AssignmentRepo)
 # SE-Assignment-6
  Assignment: Introduction to Python
 Instructions:

first.py

@@ -0,0 +1,206 @@
+# print is a built-in function in Python used to output text to the console.
+
+# Parentheses() are used to enclose the arguments passed to the function. In this case, the argument is "Hello, World!"
+
+# "Hello, World!" is a string literal. In Python, strings are enclosed in either single quotes (') or double quotes (").
+
+print("Hello, World!")
+
+# Integers (int): Whole numbers, positive or negative, without decimals.
+myAge = 23
+
+# Floating-Point Numbers (float): Numbers with a decimal point. 
+r = 3.14
+
+# Strings (str): Sequence of characters enclosed in single or double quotes. 
+greetings = "Hey"
+
+# Lists (list): Ordered, mutable collection of items, enclosed in square brackets.
+animals = ["Dog", "Cat", "Lion"]
+
+# Tuples (tuple): Ordered, immutable collection of items, enclosed in parentheses.
+fruits = ("Apple", "Orange", "Apple")
+
+#Dictionaries (dict): Unordered, mutable collection of key-value pairs, enclosed in curly braces.
+students_details = {"name": "Ann", "age": 23}
+
+#Sets (set): Unordered collection of unique items, enclosed in curly braces.
+prices = (4, 6, 9, 3)
+
+# Booleans (bool): Logical values representing True or False.
+isTasty = True
+
+# Conditional statements in Python are used to execute a block of code based on whether a condition is true or false.
+
+# if Statement: Executes a block of code if the condition is true.
+# elif Statement: (short for "else if") Checks another condition if the previous if or elif condition was false.
+# else Statement: Executes a block of code if none of the preceding conditions were true.
+
+age = 18
+
+if age < 18:
+    print("You are not eligible to be a voter.")
+elif age == 18:
+    print("You are eligible to be a voter.")
+else:
+    print("You are an adult.")
+
+# Loops in Python are used to execute a block of code repeatedly, either for a specified number of times or until a condition is met.
+
+# for Loop: Iterates over a sequence (such as a list, tuple, or string) and executes a block of code for each item in the sequence.
+fruits = ["Orange", "Pineapple", "Lemon"]
+
+for fruit in fruits:
+    print(fruit)
+
+# while Loop: Repeats a block of code as long as a condition is true.
+num = 0
+
+while num < 5:
+    print("Count is:", num)
+    num += 1
+
+
+# Functions are reusable blocks of code that perform a specific task. They allow you to structure your code more efficiently, making it easier to manage, debug, and understand. Functions help in avoiding code repetition and enhance modularity and readability.
+
+# Useful of functions
+# Code Reusability: Functions allow you to write code once and reuse it multiple times.
+# Modularity: Functions help break down complex problems into smaller, manageable tasks.
+# Readability: Functions make the code more readable and easier to understand.
+# Maintainability: Functions simplify the process of updating and maintaining code.
+
+# Defining the function
+def add_numbers(m, n):
+    """
+    This function takes two arguments and returns their sum.
+    """
+    return m + n
+
+# Calling the function
+ans = add_numbers(5, 3)
+print("The sum is:", ans)
+
+
+# Lists
+#Ordered: Elements in a list have a defined order.
+#Indexed: Each element is accessible via its index.
+#Mutable: Elements can be changed, added, or removed.
+#Duplicates Allowed: Lists can contain duplicate elements.
+#Syntax: Defined using square brackets [].
+
+my_nums = [1, 2, 3, 4, 5]
+
+# Dictionaries
+# Unordered: Elements do not have a defined order.
+# Key-Value Pairs: Each element is stored as a key-value pair.
+# Mutable: Keys and values can be changed, added, or removed.
+# Unique Keys: Keys must be unique; values can be duplicated.
+# Syntax: Defined using curly braces {}.
+
+my_dictionary = {"name": "Alice", "age": 25, "city": "New York"}
+
+# script
+# Creating a list of numbers
+number = [1, 2, 3, 4, 5]
+
+# Cre_numting a dictionary with key-value pairs
+person = {"name": "Alice", "age": 25, "city": "New York"}
+
+# Basic operations on lists
+# Adding an element to the list
+number.append(6)
+print("List after adding an element:", num)
+
+# Removing an element from the list
+number.remove(3)
+print("List after removing an element:", number)
+
+# Accessing an element by index
+print("Element at index 2:", number[2])
+
+# Basic operations on dictionaries
+# Adding a key-value pair
+person["email"] = "alice@example.com"
+print("Dictionary after adding a key-value pair:", person)
+
+# Removing a key-value pair
+del person["city"]
+print("Dictionary after removing a key-value pair:", person)
+
+# Accessing a value by key
+print("Value for key 'name':", person["name"])
+
+# Looping through lists
+print("Looping through the list:")
+for numb in number:
+    print(numb)
+
+# Looping through dictionaries
+print("Looping through the dictionary:")
+for key, value in person.items():
+    print(key, ":", value)
+
+
+# Exception handling in Python is a mechanism that allows you to manage and respond to runtime errors or exceptional conditions in your code. This ensures that your program can handle unexpected situations gracefully without crashing.
+
+# try Block: Contains the code that might raise an exception.
+# except Block: Contains the code that executes if an exception occurs in the try block.
+# finally Block: Contains the code that executes regardless of whether an exception occurs or not. This block is optional.
+
+def divide_numbers(a, b):
+    try:
+        result = a / b
+    except ZeroDivisionError:
+        print("Error: Cannot divide by zero!")
+        result = None
+    except TypeError:
+        print("Error: Invalid input type!")
+        result = None
+    else:
+        print("Division successful!")
+    finally:
+        print("Execution of the try-except block is complete.")
+
+    return result
+
+# Example usage
+num1 = 10
+num2 = 0
+
+print(f"Dividing {num1} by {num2}:")
+division_result = divide_numbers(num1, num2)
+print("Result:", division_result)
+
+num1 = 10
+num2 = 2
+
+print(f"\nDividing {num1} by {num2}:")
+division_result = divide_numbers(num1, num2)
+print("Result:", division_result)
+
+num1 = "10"
+num2 = 2
+
+print(f"\nDividing {num1} by {num2}:")
+division_result = divide_numbers(num1, num2)
+print("Result:", division_result)
+
+# Modules
+# A module is a single file (or files) that are imported under one import and used. A module allows you to logically organize your Python code. Grouping related code into a module makes the code easier to understand and use. It also allows you to reuse the code across multiple programs.
+
+# Packages
+# A package is a way of organizing related modules into a directory hierarchy. Packages allow for a hierarchical structuring of the module namespace using dot notation. A package is a collection of modules in directories that give a package hierarchy.
+
+import math
+
+# Using the sqrt function from the math module
+res = math.sqrt(225)
+print("The square root of 16 is:", res)
+
+# File I/O in Python
+# File I/O (Input/Output) in Python involves reading data from and writing data to files. This can be done using built-in functions and methods.
+
+# Reading from a File
+# To read from a file in Python, you can use the open() function in combination with methods like read(), readline(), or readlines().
+# Reading the content of a file and printing it to the console
+

output.txt

@@ -0,0 +1,3 @@
+Hello, world!
+This is a test.
+Writing to a file in Python.