python中有一个其独有的功能，while else.
它的作用是判断是循环是否被终止，如果没有被终止，那么就会执行else,反之则不会执行。还是用一段代码来解释吧
else被执行：
count = 0 while count <= 5: print(‘loop‘, count) count += 1 else: print(‘loop is done...‘) print(‘out of loop‘) ‘‘‘ loop 0 loop 1 loop 2 loop 3 loop 4 loop 5 loop is done... out of loop ‘‘‘
else未被执行：
count = 0 while count <= 5: print(‘loop‘, count) if count == 3: break count += 1 else: print(‘loop is done...‘) print(‘out of loop‘) ‘‘‘ loop 0 loop 1 loop 2 loop 3 loop 4 loop 5 loop is end... out of loop ‘‘‘
原文：https://www.cnblogs.com/lshedward/p/9899076.html