๐Ÿงช ่ฃ…้ฅฐๅ™จ

โฑ๏ธ 25-30 min๐Ÿ“Š Advanced
main.py
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ๅŠ ่ฝฝ็ผ–่พ‘ๅ™จไธญ...
่พ“ๅ‡บ Outputๆ‰ง่กŒๆˆๅŠŸ
# ่ฟ่กŒไปฃ็ ๅŽ๏ผŒ่พ“ๅ‡บๅฐ†ๆ˜พ็คบๅœจ่ฟ™้‡Œ
# ๆŒ‰ Ctrl+Enter ๅฟซ้€Ÿ่ฟ่กŒ
Terminal (Simulated)Install commands are simulated only, no real network requests
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Step 1: ็†่งฃ่ฃ…้ฅฐๅ™จๅŽŸ็†

่ฃ…้ฅฐๅ™จๆ˜ฏโ€œๅ‡ฝๆ•ฐๅŒ…่ฃ…ๅ™จโ€๏ผšไธๆ”นๅŽŸๅ‡ฝๆ•ฐๆบ็ ๏ผŒไนŸ่ƒฝๅœจๅ‰ๅŽๆณจๅ…ฅ่กŒไธบใ€‚

ๅบ•ๅฑ‚้€ป่พ‘๏ผš
ไฝ ไผ ๅ…ฅๅŽŸๅ‡ฝๆ•ฐ func๏ผŒ่ฟ”ๅ›žๅŒ…่ฃ…ๅ‡ฝๆ•ฐ wrapperใ€‚
ๅŽ็ปญ่ฐƒ็”จๅ…ถๅฎžๆ‰ง่กŒ็š„ๆ˜ฏ wrapper๏ผŒๅฎƒๅ†…้ƒจๅ†่ฐƒ็”จๅŽŸๅ‡ฝๆ•ฐใ€‚

ไฝ ็š„ไปปๅŠก๏ผš

  1. ๅˆ›ๅปบๅ‡ฝๆ•ฐ my_decorator(func)
  2. ๅ†…้ƒจๅฎšไน‰ wrapper() ๅ‡ฝๆ•ฐ
  3. wrapper ไธญๅ…ˆ่พ“ๅ‡บ "Before"๏ผŒๅ†่ฐƒ็”จ func()๏ผŒๆœ€ๅŽ่พ“ๅ‡บ "After"
  4. ่ฟ”ๅ›ž wrapper
  5. ๆต‹่ฏ•๏ผšๅฎšไน‰ say_hello() ่พ“ๅ‡บ "Hello!"๏ผŒ็”จ่ฃ…้ฅฐๅ™จๅŒ…่ฃ…ๅนถ่ฐƒ็”จ

Self-Check List

  • ็†่งฃ่ฃ…้ฅฐๅ™จ็š„ๅŸบๆœฌ็ป“ๆž„

Transfer Template

def my_decorator(func):
    def wrapper():
After completing this step, you should be able to independently explain and reproduce this concept, then apply it to similar problems.

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