Start Exam

def coldest_city(cities):
    coldest = cities[0]
    for city, temp in cities:
        if temp < coldest[1]:
            coldest = (city, temp)
    return coldest[0]

cities = [("Tirane", 35), ("Prishtine", 29), ("Shkup", 30)]
coldest = coldest_city(cities)

Given the above script:

What is the value of coldest:
What is the value of city during the first iteration of the loop:
What is the value of temp during the second iteration of the loop:

‹ Previous Exercise Submit Exercise Next Question ›

Write a function that takes a dictionary and return True if 10 exists in the d as key and as value. It returns False otherwise.

>>> exists({'a': 10, 2: 'a'})
False
>>> exists({'a': 'b', 10: 'a'})
False
>>> exists({10: 'b', 2: 10}, 'a')
True
>>> exists({'1': 'b', 10: 10}, 'a')
True

ⓘ

‹ Previous Exercise Submit Exercise Next Question ›

Write a function that takes a dictionary whose keys are numbers and returns their sum. Example:

>>> get_sum({1: 'a', 2: 6, 12: 'po'})
15

ⓘ

‹ Previous Exercise Submit Exercise Next Question ›

Write a function that takes two lists, t1 and t2 returns a new list which is concatenation of t1 and t2. t1 and t2 should not be modified.
>>> a, b = [1, 'ani'], [2]
>>> t = concat_lists(t1=a, t2=b)
>>> t
[1, 'ani', 2]
>>> a
[1, 'ani']
>>> b
[2]

ⓘ

‹ Previous Exercise Submit Exercise Next Question ›

Write a function that takes no arguments and returns a dictionary with three items, where keys are strings and values are lists.

ⓘ

‹ Previous Exercise Submit Exercise Next Question ›

Write a function, filter_allowed_words(words, allowed), which returns a list of words that use only the allowed letters. Example:

>>> filter_allowed_words(['apple', 'banana', 'fig', 'grape'], 'aeplgr')
['apple', 'grape']

ⓘ

‹ Previous Exercise Submit Exercise Next Question ›

def dosmth(d, d1):
    d.update(d1)

def dosmth1(d, k):
    return d.setdefault(k, 'ani')

def dosmth2(d):
    return d.get('pse', 'jo')

values = {'o': 'n', 'one': 22}
b = dosmth1(values, 'two')
c = dosmth(values, {'pse': 'perqef'})
d = dosmth2(values)

What is the value of the following variables at the end of the execution of the above script?

values:
b:
c:
d:

‹ Previous Exercise Submit Exercise Next Question ›

def dosmth(d, a):
    return d.pop(a, None)

questions = {'ku': 'qaty', 'pse': 'sdi', 'jo be': 2}
a = dosmth(questions, 'ku')
b = dosmth(questions, 'ani')

What is the value of the following variables at the end of the execution of the above script?

a:
b:
questions:

‹ Previous Exercise Submit Exercise Next Question ›

Complete execution flow of the following program

Misses: 0

def ani(word, char):
    index = 0
    t = 0
    while index < len(word):
        if word[index] == char:
            t = t + index
        index = index + 1
    return t

def add(word, ch1, ch2):
    return ani(word, ch1) + ani(word, ch2)

d = add('sop', 'o', 'p')

Complete execution flow of the following program

Misses: 0

def capitalize(s):
    return s[0].capitalize() + s[1:]

a = capitalize('ani')
b = capitalize('Pse')
print(a, b)

Ani Pse
>>>