new_contents: from manimlib.imports import *
  
  class S1(Scene):
      def construct(self):
          t_password_cn = TextMobject("一次性密码")
          t_password_en = TextMobject("One Time Password")
  
          t_password_cn.scale(1.5)
          t_password_cn.next_to(t_password_en, UP)
          self.play(
              FadeIn(t_password_cn, run_time=3),
              Write(t_password_en, run_time=3),
          )
          self.wait(2)
          self.play(
              FadeOut(t_password_cn, run_time=3),
              FadeOut(t_password_en, run_time=3),
          )
  
          numbers = ["491823", "123955", "546347", "958191", "190150", "595821"]
          t_numbers = []
          for number in numbers:
              t_numbers.append(TextMobject(number))
  
          self.add(t_numbers[0])
          self.wait(2)
          for i in range(1, len(t_numbers)):
              self.play(Transform(t_numbers[0], t_numbers[i]))
              self.wait(2)
  
          self.wait(3)
  
  
subject: Create otp.py