[Python-ideas] Making colons optional?

[Stephen J. Turnbull]

Riobard Zhan writes:

 > "Once someone discovers that they *don't have to* add the colons, and  
 > it doesn't affect the operation of their program, those colons will, I  
 > predict, become much less frequent. "
 > 
 > Thank God, finally we are on the right track. Making colons optional  
 > is just the first step to kill both semicolons and colons all together.

I think the language you are looking for is called "Haskell".