17- Project- Best Price Finder
Jul 04, 2026 01:23
· 1:18
· English
· Whisper Turbo
· 2 ໄມໂຄຣໂຟນ
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Speaker 1 (17- Project- Best Price Finder)
All right, now let's put everything together and work on an interesting real world problem.
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Speaker 1 (17- Project- Best Price Finder)
We want to write a program to find the cheapest flights just like those price
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Speaker 1 (17- Project- Best Price Finder)
comparison websites.
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Speaker 1 (17- Project- Best Price Finder)
So we have different flight agencies that we need to query to get a quote for
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Speaker 1 (17- Project- Best Price Finder)
a given flight.
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Speaker 1 (17- Project- Best Price Finder)
Here's the output of this program.
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Speaker 1 (17- Project- Best Price Finder)
So we're getting a quote from these imaginary websites,
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Speaker 1 (17- Project- Best Price Finder)
site three,
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Speaker 1 (17- Project- Best Price Finder)
site one, and site two.
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Speaker 1 (17- Project- Best Price Finder)
Then we get three different quotes and finally we print this message.
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Speaker 1 (17- Project- Best Price Finder)
Retrieve all quotes in 2000 milliseconds.
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Speaker 1 (17- Project- Best Price Finder)
Now, we want all these to happen asynchronously.
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Speaker 1 (17- Project- Best Price Finder)
Because these imaginary websites may respond in different times,
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Speaker 1 (17- Project- Best Price Finder)
so we don't want to block the user interface and wait for their response.
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Speaker 1 (17- Project- Best Price Finder)
As soon as we get a quote from a flight agency,
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Speaker 1 (17- Project- Best Price Finder)
we want to print it here.
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Speaker 1 (17- Project- Best Price Finder)
Let's see this in action.
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Speaker 1 (17- Project- Best Price Finder)
So I'm going to run this program.
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Speaker 1 (17- Project- Best Price Finder)
Now we're querying all these websites.
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Speaker 1 (17- Project- Best Price Finder)
The first two responded faster.
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Speaker 1 (17- Project- Best Price Finder)
We got the third response and the final message.
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Speaker 1 (17- Project- Best Price Finder)
Let's see it one more time.
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Speaker 2 (17- Project- Best Price Finder)
There
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Speaker 1 (17- Project- Best Price Finder)
you go.
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Speaker 1 (17- Project- Best Price Finder)
So I want you to spend 20 to 30 minutes on this exercise.
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Speaker 1 (17- Project- Best Price Finder)
This is a fantastic exercise to practice all the materials you
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Speaker 1 (17- Project- Best Price Finder)
learned in this course and put them in the context of a real world problem.
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Speaker 1 (17- Project- Best Price Finder)
We're going to see my solution next.
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