employee_data <- data.frame(
employee_id = c(1:4),
employee_name = c("raj","rohit","amit","sail"),
salary = c(62000,51000,54000,40000),
stringsAsFactors = FALSE
)

print(employee_data)

#Adding column.

employee_data$department <- c("Network","communication","software","web")

print(employee_data)

#Get Structure of data.
#BELOW GIVEN TWO FUNCTIONS WHERE HAVING ERRORS WHILE RUNNING, REMOVE # TO ACCESS THE FUNCTIONS.
#Structure(employee_data)

#Summary (employee_data)