numbers =[10, 20, 5, 10, 2, 3]

#to add numbers at the end
numbers.append(20)
print(numbers)

#to insert element at a particular index
numbers.insert(1, 15)
print(numbers)

#to check if number in list or not
print(50 in numbers)

#to remove a particular number from list
numbers.remove(10)
print(numbers)

#to clear the whole list
numbers.clear()
print(numbers)