Length and concat

# and table.concat.

# is length. table.concat joins.

Goal

Print length and a joined line.

print(#"Nairobi")
print(#{"Nairobi", "Mombasa"})
print(table.concat({"Nairobi", "Kisumu", "Nakuru"}, " / "))
print(table.concat({12, 8, 5}, ", "))
print(#"")