... while " and " in a while " If there is, can you explain? - What does "literally" mean ? Do people use it the wrong way? - What's the meaning ... ... <看更多>

This phrase indicates a limited, continuous time period. If you go on vacation for a week, you will be gone continuously until a week has passed ... ... <看更多>

while True means loop forever. The while statement takes an expression and executes the loop body while the expression evaluates to ... ... <看更多>