A1. Password Generator

  1. import random
  3. def get_password(length):
  4.     choice = '0123456789'
  5.     tmp = ''
  6.     for i in range(length):
  7.         tmp = tmp + choice[random.randint(0,9)]
  8.     return tmp
  10. a = input('length of your password:')
  11. a = int(a)
  12. print(get_password(a))

think

如何建立强密码

A2.Answer Encryptor

  1. from turtle import *
  3. for i in range(4):
  4.     forward(40)
  5.     left(90)
  7. begin_fill()
  8. color('black')
  9. forward(40)
  10. left(90)
  11. forward(20)
  12. left(90)
  13. forward(40)
  14. left(90)
  15. forward(20)
  16. left(90)
  17. end_fill()

think

  1. change it to method
  2. draw other three images
  3. translate answer to image use if
  1. from turtle import *
  3. def draw_a():
  4.     # draw A
  5.     for i in range(4):
  6.         forward(40)
  7.         left(90)
  9.     begin_fill()
  10.     color('black')
  11.     forward(40)
  12.     left(90)
  13.     forward(20)
  14.     left(90)
  15.     forward(40)
  16.     left(90)
  17.     forward(20)
  18.     left(90)
  19.     end_fill()
  21.     forward(40)
  23. def draw_b():
  24.     # draw B
  25.     for i in range(4):
  26.         forward(40)
  27.         left(90)
  29.     left(90)
  30.     forward(20)
  31.     begin_fill()
  32.     color('black')
  33.     forward(20)
  34.     right(90)
  35.     forward(40)
  36.     right(90)
  37.     forward(20)
  38.     right(90)
  39.     forward(40)
  40.     end_fill()
  41.     left(90)
  42.     forward(20)
  43.     left(90)
  44.     forward(40)
  46. def draw_c():
  47.     # draw C
  48.     for i in range(4):
  49.         forward(40)
  50.         left(90)
  52.     begin_fill()
  53.     color('black')
  54.     forward(20)
  55.     left(90)
  56.     forward(40)
  57.     left(90)
  58.     forward(20)
  59.     left(90)
  60.     forward(40)
  61.     end_fill()
  62.     left(90)
  63.     forward(40)
  65. def draw_d():
  66.     # draw D
  67.     for i in range(4):
  68.         forward(40)
  69.         left(90)
  71.     forward(20)
  72.     begin_fill()
  73.     color('black')
  74.     forward(20)
  75.     left(90)
  76.     forward(40)
  77.     left(90)
  78.     forward(20)
  79.     left(90)
  80.     forward(40)
  81.     end_fill()
  82.     left(90)
  83.     forward(20)
  86. answer = 'ADDCBCBDAC'
  88. setpos(-200,200)
  89. speed(-1)
  90. for a in answer:
  91.     if a == 'A':
  92.         draw_a()
  93.     if a == 'B':
  94.         draw_b()
  95.     if a == 'C':
  96.         draw_c()
  97.     if a == 'D':
  98.         draw_d()