1. Integer Variable

# An integer variable to store the number of students in a class
number_of_students = 30
print("Number of students:", number_of_students)

 

Explanation: Here, we create an integer variable number_of_students to hold the value 30. We then print the value.

 

2. Float Variable

 

# A float variable to store the average score of students
average_score = 85.5
print("Average score:", average_score)

 

Explanation: This variable average_score is a float that holds a decimal value representing the average score.

 

3. String Variable

 

# A string variable to hold the name of the course
course_name = "Introduction to Python"
print("Course Name:", course_name)

 

Explanation: The variable course_name is a string that contains the name of the course.

 

4. Boolean Variable

 

# A boolean variable to indicate whether the class is active
is_class_active = True
print("Is the class active?", is_class_active)

 

Explanation: The is_class_active variable is a boolean that indicates whether the class is currently active or not.

 

5. List Variable

 

# A list variable to store the names of students
students = ["Alice", "Bob", "Charlie"]
print("Students in the class:", students)

 

Explanation: We create a list variable called students to store multiple names.

 

 

6. Tuple Variable

# A tuple variable to store coordinates (x, y)
coordinates = (10, 20)
print("Coordinates:", coordinates)

 

Explanation: The variable coordinates is a tuple containing two integer values representing x and y coordinates.

 

7. Dictionary Variable

 

# A dictionary variable to store student grades
student_grades = {
    "Alice": 90,
    "Bob": 80,
    "Charlie": 85
}
print("Student Grades:", student_grades)

 

Explanation: The variable student_grades is a dictionary mapping student names to their grades.

 

8. Set Variable

 

# A set variable to store unique subjects taken by students
subjects = {"Math", "Science", "English"}
print("Subjects offered:", subjects)

 

Explanation: The variable subjects is a set that contains unique subject names.

 

9. None Variable

 

# A variable that can hold no value
student_grade = None
print("Student Grade:", student_grade)

 

Explanation: The variable student_grade is initialized to None, indicating that it currently has no value.

 

10. Complex Number Variable

 

# A complex number variable representing a point in the complex plane
complex_number = 3 + 4j
print("Complex Number:", complex_number)

 

Explanation: The complex_number variable holds a complex number, where j is the imaginary unit.