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