Python循环语句（while）

<span style="font-size:14px;"># -*- coding: cp936 -*-i = 0while False:    print i,'Hello world!'    i = i + 1    if i > 100:        break           #直接跳出循环体 else是循环体一部分 所以else部分也不执行else:                   #可以加else再循环结束时调用    print 'else'print 'out'i = 1s = 0while i <= 100:    s = s + i    i = i + 1else:    print 's1 = ',si = 1s = 0while 0 and i <= 100:    s = s + i    i = i + 1else:    print 's2 = ',s</span>