Q4:-

Which of the following is correct ?

1. deafaultdict throws a KeyErrror when the key is not present in it.
2. Sorting dictionary by the key has more runtime accessing than the sorting by the value.

c)Sorting dictionary by the key has less runtime accessing than the sorting by the value.

d).None of these.

Q5:-

Choose the correct statement:-

1. getattr() and setattr() are used to retrieve and set class attributes.
2. pow() and ** will always produce the same value.
3. getattr() and setattr() are used to retrieve and set Constructor attribute.
4. None of these.

Q7:-

Choose the correct statement:-

1. Prints the database_information

connection = getDbConnection()

test1 =connection.get_server_info()

cursor = connection.cursor()

cursor.execute("select database();")

test2 = cursor.fetchone()

print(test2)

closeDbConnection(connection)

2. Prints the records for the selected database

connection = getDbConnection()

test1 = connection.get_server_info()

cursor = connection.cursor()

cursor.execute("select database();")

test2 = cursor.fetchone()

print(test1)

closeDbConnection(connection)

3. Both
4. None of these