Python data structure quiz

a = ?

a = [[1] * 2] * 2
a[0][0]=2

What is the result of this code?

a=[1,2,3,4,5,6,7,8,9]
a[::2]

What will be placed in a?

a = [1,2,3]
a[-3:-1] = 10,20,30,40

What gets printed?

kvps = { '1' : 1, '2' : 2 , '3' : 3, '4' : 4, '5' : 5}
newData = { '1' : 10, '3' : 30 }
kvps.update(newData)
x = sum(kvps.values())
print x

What gets printed?

names1 = ['Amir', 'Barry', 'Chales', 'Dao']
names2 = [name.lower() for name in names1]
print names2[2][0]

What gets printed?

names = ['Amir', 'Barry', 'Chales', 'Dao']
print names[-1][-1]

The following code will successfully print the days and then the months

daysOfWeek = ['Monday',
              'Tuesday',
              'Wednesday',
              'Thursday',
              'Friday',
              'Saturday',
              'Sunday']
months =             ['Jan', \
                      'Feb', \
                      'Mar', \
                      'Apr', \
                      'May', \
                      'Jun', \
                      'Jul', \
                      'Aug', \
                      'Sep', \
                      'Oct', \
                      'Nov', \
                      'Dec']
print "DAYS: %s, MONTHS %s" % 
    (daysOfWeek, months)

What is the ouput?

dict = {'Name': 'Jill', 'Age': 17, 'Name': 'Bill'}
print "dict['Name']: ", dict['Name']

Which of following are valid dictionary declarations?

__________ creates a list.

What is list("abcd")?

Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3]

What is len(list1)? 

Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3]

What is max(list1)?