Which two elements should be in a professional letter?
1 answer:
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Solution :
Here, we need to perform JOIN operation of the students and registration.
Use NATURAL JOIN operator and so no need to specify Join condition.
Also we need to selection operator tp select only those course whose major in "philosophy".
Finally we projection operator π to project only distinct students name who took at least three courses.
Answer:
if speed < 0:
reverseDrivers +=1
elif speed < 1:
parkedDrivers +=1
elif speed < 40:
slowDrivers +=1
elif speed<=65:
safeDrivers +=1
else:
speeder +=1
Explanation:
The statements are written in python programming language
See a complete code screenshot attached, where all the variables are defined
