Py4e: Chapter 7 Questions and Answers 100% Pass 2025/2026 Graded A+

Py4e: Chapter 7 Questions and Answers 100% Pass
2025/2026 Graded A+
What is the difference between a Python tuple and Python list? - lists are mutable, tuples are
immutable



Which of the following methods work both in Python lists and Python tuples? - index()



What will end up in the variable y after this code is executed?

x , y = 3, 4 - 4



In the following Python code, what will end up in the variable y?

x = { 'chuck' : 1 , 'fred' : 42, 'jan': 100}

y = x.items() - A list of tuples



Which of the following tuples is greater than x in the following Python sequence?

x = (5, 1, 3)

if ??? > x :

... - (6, 0, 0)



What does the following Python code accomplish, assuming the c is a non-empty dictionary?

tmp = list()

for k, v in c.items() :

tmp.append( (v, k) ) - It creates a list of tuples where each tuple is a value, key pair



If the variable data is a Python list, how do we sort it in reverse order? - data.sort(reverse=True)



Using the following tuple, how would you print 'Wed'?

days = ('Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun') - print(days[2])



In the following Python loop, why are there two iteration variables (k and v)?

c = {'a':10, 'b':1, 'c':22}