# task 1: get only names of countries that start with "A" or "a"
# note that the search in case-insensitive
countryStartsWith("A", full.list = FALSE)
# task 2: get only names of countries that start with "No" or "no"
countryStartsWith("no", full.list = FALSE)
# task 3: repeat task 2, but return full list for each country
countryStartsWith("no")
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