Replace Spy - Intro to Computer ScienceYouTube↗  IA↗(long shot)
Education  20.7K views 13 likes 0 dislikes   29 May 2012
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[الراوي] في هذا الاختبار، الهدف هو تحديد الإجراء المعروف باسم replace_spy،
[Narrator] For this quiz your goal is to define a procedure named replace_spy
الذي يأخذ قائمة من 3 أرقام كإدخال ويعدل قيمة العنصر الثالث
that takes as its input a list of 3 numbers and modifies the value of the third element
.ضمن قائمة المدخلات لتكون أكبر من القيمة السابقة بمقدار 1
in input list to be 1 more than its previous value.
لحل هذه المسابقة يجب عليكم تجربة وفهم كيف
To solve this quiz you're going to have to
.تكون القيم هي إجراءات ماضية في Python
experiment and understand how values are past procedures in Python.
وهذا شيء لم نتحدث عنه حتى الآن، ولكن إذا قمتم بحل هذا الاختبار
Something we haven't talked about yet, but if you solve this quiz
.سيكون لديكم فهم جيد لكيفية عمل الأشياء
you'll have a good understanding of how things might work.
،يظهر السلوك الذي نريده في أحد الأمثلة
The behavior that we want is shown in an example,
،[لذلك إذا كانت قيمة spy هي القائمة [0، 0، 7
so if the value of spy is the list 0, 0, 7,
.فإننا نستدعي الإجراء replace_spy، ونمرر spy
we call the procedure replace spy, passing in spy.
.لاحظوا أننا لن نستخدم هذه النتيجة
Note that we're not using the result.
.إننا لا نقوم بتخصيص هذا مرة أخرى إلى مراقب المتغير
We're not assigning this back into a variable spy.
إننا نقوم فقط باستدعاء replace_spy، ولكن بعد الاستدعاء
We're just calling replace spy, but after the call
.تتغير القيمة التي يشير إليها spy
the value that spy refers to has changed.
.[والآن لديها القيمة [0، 0، 8
Now it has the value 0, 0, 8.
حسنًا، أنا لم أخبركم بعد ماذا يعني تمرير كائن قابل للتحويل
So, I haven't yet told you what it means to pass a mutable object
مثل قائمة إلى إجراء، ولكن حاولوا تعريف replace_spy
like a list to a procedure, but try to define replace spy
.ورؤية ما إذا كان يمكنكم التعرف على ما يحدث
and see if you can figure out what happens.
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