python popcorn hack 1;

# Creating an array (list) of numbers
my_list = [1, 2, 3, 4, 5]

# Reversing the list using the reverse() method
my_list.reverse()

# Printing the reversed list
print("Reversed list:", my_list)


Reversed list: [5, 4, 3, 2, 1]

popcorn hack 2;

# Initial array (list)
my_list = [2, 3, 4, 5]

# Using the spread operator (via list concatenation) to simulate unshift
new_item = 1
my_list = [new_item] + my_list

# Printing the updated list
print("Updated list:", my_list)


Updated list: [1, 2, 3, 4, 5]

popcorn hack 3;

# Initial list
my_list = [2, 3, 4]

# Simulate unshift() using slicing
my_list = [1, *my_list]

print("List after unshift:", my_list)


List after unshift: [1, 2, 3, 4]

pop hack 4;

# Initial array
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

# Use filter() to get only even numbers
even_numbers = list(filter(lambda x: x % 2 == 0, numbers))

print("Even numbers:", even_numbers)


Even numbers: [2, 4, 6, 8, 10]

popcorn hack 5;

# Initial list
my_list = ['apple', 'banana', 'orange']

# Insert values using negative indexes
my_list.insert(-1, 'grape')

print("List after insertion:", my_list)


List after insertion: ['apple', 'banana', 'grape', 'orange']

popcorn hack 6;

# Two initial lists
list1 = [1, 2, 3]
list2 = [4, 5, 6]

# Extend list1 with list2
list1.extend(list2)

print("Extended list:", list1)

Extended list: [1, 2, 3, 4, 5, 6]

Main Hack 1;

# Initial list
my_list = ['apple', 'banana', 'orange', 'grape', 'pear']

# Remove using remove()
my_list.remove('banana')

# Remove using pop()
my_list.pop(2)

# Remove using del
del my_list[0]

print("List after removing three items:", my_list)


List after removing three items: ['orange', 'pear']

main hack 2;

# List of numbers
numbers = [10, 15, 20, 25, 30, 35]

# Filter even numbers
even_numbers = [x for x in numbers if x % 2 == 0]

print("Even numbers:", even_numbers)

Even numbers: [10, 20, 30]

main hack 3;

# List of student grades
grades = []

def add_grade(grade):
    grades.append(grade)

def remove_grade(grade):
    if grade in grades:
        grades.remove(grade)
    else:
        print("Grade not found")

def view_grades():
    print("Student grades:", grades)

# Example usage
add_grade(85)
add_grade(90)
view_grades()
remove_grade(85)
view_grades()

Student grades: [85, 90]
Student grades: [90]

main hack 4;

# List of numbers
numbers = [10, 20, 30, 40, 50]

# Basic operations
print("Sum of numbers:", sum(numbers))
print("Maximum number:", max(numbers))
print("Minimum number:", min(numbers))


Sum of numbers: 150
Maximum number: 50
Minimum number: 10

main hack 5;

let myArray = [1, 2, 3, 4, 5];
console.log("Array:", myArray);

main hack 6;

myArray.forEach(function(value) {
    console.log("Value:", value);
});

main hack 7;

myArray.push(6); // Add value
console.log("Array after adding 6:", myArray);

myArray.pop(); // Remove last value
console.log("Array after removing last element:", myArray);

main hack 8;

# List of numbers
numbers = [1, 2, 3, 4, 5, 6, 7, 8]

# Count even numbers
even_count = sum(1 for num in numbers if num % 2 == 0)

print("Count of even numbers:", even_count)

Count of even numbers: 4