The file contains the midyear population of the United States, in thousands, during the
years 1950 through 1990. The first line in the file contains the population for 1950, the
second line contains the popula- tion for 1951, and so forth.
Write a program that reads the file's contents into a list. The program should display the
following data:
a. The average annual change in population during the time period
b. The year with the greatest increase in population during the time period
c. The year with the smallest increase in population during the time period
Fig: 1