语法

  1. for 临时变量 in 序列:
  2.  重复执⾏的代码1
  3.  重复执⾏的代码2
  4.  .....
  1. str1 = 'itheima'
  2. for i in str1:
  3.  print(i)

break

  1. str1 = 'itheima'
  2. for i in str1:
  3.  if i == 'e':
  4.  print('遇到e不打印')
  5.  break
  6.  print(i)

continue

  1. str1 = 'itheima'
  2. for i in str1:
  3.  if i == 'e':
  4.  print('遇到e不打印')
  5.  continue
  6.  print(i)