Write a R program that include variables, constants, data types.

a = TRUE
print(a) print(class(a))
A = 14L print(A) print(class(A))
x = 13.4
print(x) print(class(x))
alphabet = "a"
print(alphabet)
print(class(alphabet))
message = "Welcome to Programiz!"
print(message)
print(class(message))