• ‘‘‘方法1:跳出多重循环‘‘‘

class getoutofloop(Exception):
pass
try:
for i in range(5):
for j in range(5):
for k in range(5):
if i==j==k==3:
raise getoutofloop() #raise 抛出异常对象,退出多重循环,不会继续执行try中语句
else:
print(i,j,k)
except getoutofloop:
print("抛出异常对象")
print("done")

• ‘‘‘方法2:跳出多重循环‘‘‘
  def test():
  for i in range(5):
  for j in range(5):
  for k in range(5):
  if i==j==k==3:
  return
  else:
  print(i,j,k)
  test()
  
  
• ‘‘‘方法3:跳出多重循环‘‘‘
  for i in range(5):
  for j in range(5):
  for k in range(5):
  if i == j == k == 3:
  break
  else:
  print(i,j,k)
  else:continue
  break
  else:continue
  break

直接退出多层循环