PEP 315 (Python Enhancement Proposal) to include do..while statement has been rejected because it doen't fit in the general format of indented block statement: indented block used by every other Python compound statement. In words of Guido Van Rossum -  "Please reject the PEP. More variations along these lines won't make ... Read More

A loop is said to be an infinite loop when it doesn't stop on its own. It needs to be forcibly stopped by pressing ctrl-C to generate keyboard interrupt.