#CA03 Problem1

#Given the following list
lst=[11, 100, 99, 1000, 999]

#Print the first and last elements.


#Append the value 10000 to the list. Then append 9999 to the list.

#Insert the value 2 at every even index in the list that is lower than 10.

#Print the list, then print the list sorted.

#Count and print the number of times the element 2 appears in your list.

#Print the sum of the values in your list.