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Author: minhaj-313

10th.py

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+import mysql.connector
+
+# Define database connection details
+config = {
+    'host': 'localhost',
+    'user': 'your_username',
+    'password': 'your_password',
+    'database': 'example_db'
+}
+
+# Connect to the database
+conn = mysql.connector.connect(**config)
+
+# Create a cursor object to execute SQL queries
+c = conn.cursor()
+
+# Create a table
+c.execute('''CREATE TABLE IF NOT EXISTS students
+             (id INT PRIMARY KEY AUTO_INCREMENT, name VARCHAR(255), age INT, email VARCHAR(255))''')
+
+# Insert data into the table
+c.execute("INSERT INTO students (name, age, email) VALUES (%s, %s, %s)", ("John", 25, "[email protected]"))
+c.execute("INSERT INTO students (name, age, email) VALUES (%s, %s, %s)", ("Jane", 30, "[email protected]"))
+c.execute("INSERT INTO students (name, age, email) VALUES (%s, %s, %s)", ("Minhaj", 27, "[email protected]"))
+
+# Commit changes to the database
+conn.commit()
+
+# Query the table and fetch results
+c.execute("SELECT * FROM students")
+rows = c.fetchall()
+
+# Print the results
+for row in rows:
+    print(row)
+
+# Close the database connection
+conn.close()

1st.py

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+# Q1. Write a Program to Demonstrate Different Data Types.
+
+# Integer
+a = 10
+print("The value of a is:", a)
+print("The data type of a is:", type(a))
+
+# Floating point number
+b = 3.14159
+print("The value of b is:", b)
+print("The data type of b is:", type(b))
+
+# String
+c = "Hello, world!"
+print("The value of c is:", c)
+print("The data type of c is:", type(c))
+
+# Boolean
+d = True
+print("The value of d is:", d)
+print("The data type of d is:", type(d))
+
+# List
+e = [1, 2, 3, 4, 5]
+print("The value of e is:", e)
+print("The data type of e is:", type(e))
+
+# Tuple
+f = (1, 2, 3, 4, 5)
+print("The value of f is:", f)
+print("The data type of f is:", type(f))
+
+# Dictionary
+g = {"name": "John", "age": 30, "city": "New York"}
+print("The value of g is:", g)
+print("The data type of g is:", type(g))
+

2nd.py

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+score = 75
+
+if score >= 60:
+    print("Congratulations, you passed the exam!")
+else:
+    print("Sorry, you failed the exam. Please try again.")

3rd.py

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+fruits = ["apple", "banana", "cherry"]
+for fruit in fruits:
+    print(fruit)

4th.py

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+string = "hello world"
+
+# capitalize() method
+print(string.capitalize())
+
+# upper() method
+print(string.upper())
+
+# lower() method
+print(string.lower())
+
+# count() method
+print(string.count('l'))
+
+# replace() method
+print(string.replace('world', 'python'))
+
+# split() method
+print(string.split(' '))
+
+# join() method
+words = ['hello', 'world']
+print(' '.join(words))

5th.py

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+# function declaration
+def greet(name):
+    print("Hello, " + name + "!")
+
+# calling the function with argument
+greet("Alice")
+
+# calling the function with another argument
+greet("Bob")

6th.py

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+# Parent class
+class Animal:
+    def __init__(self, name):
+        self.name = name
+    
+    def speak(self):
+        print(self.name + " makes a sound.")
+
+# Child class (inheritance type: single inheritance)
+class Dog(Animal):
+    def __init__(self, name):
+        super().__init__(name)
+    
+    def speak(self):
+        print(self.name + " barks.")
+
+# Child class (inheritance type: multi-level inheritance)
+class GoldenRetriever(Dog):
+    def __init__(self, name):
+        super().__init__(name)
+    
+    def speak(self):
+        print(self.name + " barks and wags its tail.")
+
+# Child class (inheritance type: multiple inheritance)
+class Bird:
+    def __init__(self, name):
+        self.name = name
+    
+    def speak(self):
+        print(self.name + " chirps.")
+
+class Parrot(Bird, Animal):
+    def __init__(self, name):
+        super().__init__(name)
+
+    def speak(self):
+        print(self.name + " repeats words.")
+
+# create objects of each class
+animal = Animal("Animal")
+dog = Dog("Dog")
+golden = GoldenRetriever("Golden Retriever")
+bird = Bird("Bird")
+parrot = Parrot("Parrot")
+
+# call the speak method of each object
+animal.speak()
+dog.speak()
+golden.speak()
+bird.speak()
+parrot.speak()

7th.py

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+# Parent class
+class Animal:
+    def __init__(self, name):
+        self.name = name
+    
+    def speak(self):
+        print(self.name + " makes a sound.")
+
+# Child class
+class Dog(Animal):
+    def __init__(self, name):
+        super().__init__(name)
+    
+    def speak(self):
+        print(self.name + " barks.")
+
+# Child class
+class Cat(Animal):
+    def __init__(self, name):
+        super().__init__(name)
+    
+    def speak(self):
+        print(self.name + " meows.")
+
+# create objects of each class
+animal = Animal("Animal")
+dog = Dog("Dog")
+cat = Cat("Cat")
+
+# call the speak method of each object
+animal.speak()
+dog.speak()
+cat.speak()

8th.py

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+try:
+    # ask user to input two numbers
+    num1 = int(input("Enter the first number: "))
+    num2 = int(input("Enter the second number: "))
+    
+    # divide the first number by the second number
+    result = num1 / num2
+    
+    # print the result
+    print("The result is:", result)
+
+# handle exceptions that may occur
+except ValueError:
+    print("Invalid input. Please enter a valid number.")
+    
+except ZeroDivisionError:
+    print("Cannot divide by zero.")
+    
+except Exception as e:
+    print("An error occurred:", e)
+    
+finally:
+    print("Program completed.")

9th.py

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+# Lists
+fruits = ["apple", "banana", "cherry"]
+numbers = [1, 2, 3, 4, 5]
+
+# Tuples
+person = ("John", 30, "Male")
+
+# Sets
+colors = {"red", "green", "blue"}
+
+# Dictionaries
+person_info = {
+    "name": "John",
+    "age": 30,
+    "gender": "Male"
+}
+
+# Accessing elements
+print(fruits[0])      # Output: "apple"
+print(person[1])      # Output: 30
+print(colors)         # Output: {"red", "green", "blue"}
+print(person_info["name"])  # Output: "John"
+
+# Modifying elements
+fruits[1] = "orange"
+person = ("Jane", 25, "Female")
+colors.add("yellow")
+person_info["age"] = 35
+
+# Iterating through collections
+for fruit in fruits:
+    print(fruit)
+    
+for number in numbers:
+    print(number)
+    
+for color in colors:
+    print(color)
+    
+for key, value in person_info.items():
+    print(key, value)