python控制语句

number = 7
  guess = -1
  if guess == number:
      print("恭喜，你猜对了！")
  elif guess < number:
      print("猜的数字小了...")
  else :
      print("猜的数字大了...")

##while
  while a>1：
  b=1
  ##while else
  while a<5:
  a++
  if(a==3):
    break
    continue
  
  else:
  print(a,"a大于等于5")

for item in items:    
    if item=='aa':
      break
    print(item)  
  else:
    print("items为空")

for i in range(5,10):
    print(i)