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func all_nums(nums:[Int] -> Text)
result := ""
for num in nums
result ++= "$num,"
else
return "EMPTY"
return result
func labeled_nums(nums:[Int] -> Text)
result := ""
for i,num in nums
result ++= "$i:$num,"
else
return "EMPTY"
return result
func table_str(t:{Text:Text} -> Text)
str := ""
for k,v in t
str ++= "$k:$v,"
else return "EMPTY"
return str
func table_key_str(t:{Text:Text} -> Text)
str := ""
for k in t
str ++= "$k,"
else return "EMPTY"
return str
func main()
>> all_nums([10,20,30])
= "10,20,30,"
>> all_nums([])
= "EMPTY"
>> labeled_nums([10,20,30])
= "1:10,2:20,3:30,"
>> labeled_nums([])
= "EMPTY"
>> t := {"key1":"value1", "key2":"value2"}
>> table_str(t)
= "key1:value1,key2:value2,"
>> table_str({})
= "EMPTY"
>> table_key_str(t)
= "key1,key2,"
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