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### Assignment : task1 ###
context("task1")
test_that("Marking of task 1", {
expect_true(exists("task1"), info = "task1() does not exist.")
expect_is(task1, "numeric", info = "task1 is not return a numeric value")
expect_equal(task1, c(pi, exp(1)), info = "task1 contains erroneous values")
})
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