Answer:
Explanation:
a)use order by clause for sorting
for $x in doc("books.xml")/bib/book order by xs:float($x/price) return $x/title (default sorted in ascending order)
or
for $x in doc("books.xml")/bib/book order by xs:float($b/price) descending return $b/title (sorted in descending order)
b)doc("books.xml")//book[author = 'Abiteboul']
c)for $x in distinct-values(doc("bib.xml")/bib/book/author)
return <res>
<name>{$x}</name>
<count>
{count (doc("bib.xml")//book[exists(indexof(author,$x))]) }
</count>
<res>
The answer is A. The earth was formed 4.54 years ago, and during those first serveral hundred million years, oceans, continents started to form.
A) Precambrian time.
It's GigaBytes actually. And is it RAM or storage capabilities?
And also those are brands. Not models. For example, Samsung has different phones. Not just one.
Answer:
```
file = open("trips.txt","r")
file = file.split("\n")
trip_date = []
fuel_used = []
miles_traveled = []
for i in file:
trip_date.append(i.split(", ")[0])
for i in file:
fuel_used.append(i.split(", ")[1])
for i in file:
miles_traveled.append(i.split(", ")[2])
```
This should put the data in their own lists (i didn't test it) but im not going to solve everything for you. The rest is for you to tinker with. You shouldn't throw your question at us and expect an answer. This is the most that I will give you.
Explanation:
