Python学习笔记嵌套循环详解

  # 嵌套循环
  def test():
      for i in range(5):
          for j in range(6):
              print(f"{i} ", end='')
          print('')  # 换行
  # Main
  if __name__ == '__main__':
      test()

  # 九九乘法表
  def test2():
      for i in range(1, 10):
          for j in range(1, i):
              # print(f"{i}*{j}={i * j}", end='  ')
              print("{0}*{1}={2}".format(i, j, i*j), end='  ')
          print("")
  # Main
  if __name__ == '__main__':
      test2()

  # 表格
  def test3():
      staff1 = dict(name='高小一', age=20, salary=30000, city='北京')
      staff2 = dict(name='高小二', age=19, salary=20000, city='上海')
      staff3 = dict(name='高小幺', age=18, salary=10000, city='深圳')
      table = [staff1, staff2, staff3]

      for x in table:
          if x.get("salary") > 15000:
              print(x)
  # Main
  if __name__ == '__main__':
      test3()

  while True:
      if 退出条件:
          break

  while 条件表达式:
      循环体
  else:
      语句块
  for 变量 in 可迭代对象:
      循环体
  else:
      语句块