11.13. Write Code Questions

Write a function called tup_creation that takes in two integer parameter, start and end, and returns a tuple with all the values between start (inclusive) and end (non-inclusive). For example, tup_creation(-8,3) would return (-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2) and tup_creation(10,3) would return (10, 9, 8, 7, 6, 5, 4).

def tup_creation(start, end): # write code here ==== from unittest.gui import TestCaseGui class MyTests(TestCaseGui): def testOne(self): self.assertEqual(tup_creation(-8,3), (-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2), "tup_creation(-8,-3)") self.assertEqual(tup_creation(3,10), (3, 4, 5, 6, 7, 8, 9), "tup_creation(3,10)") self.assertEqual(tup_creation(10,3), (10, 9, 8, 7, 6, 5, 4), "tup_creation(10,3)") self.assertEqual(tup_creation(-2,-1), (-2,), "tup_creation(-2,-1)") self.assertEqual(tup_creation(0,0), (), "tup_creation(0,0)") self.assertEqual(tup_creation(10,10), (), "tup_creation(10,10)") MyTests().main()

Write a function called tup_creation that takes in two integer parameter, start and end, and returns a tuple with all the values between start (inclusive) and end (non-inclusive). For example, tup_creation(-8,3) would return (-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2) and tup_creation(10,3) would return (10, 9, 8, 7, 6, 5, 4).

def tup_creation(start, end): lst = [] if start > end: for i in range(start,end,-1): lst.append(i) else: for i in range(start,end): lst.append(i) lst = tuple(lst) return lst

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Write a function called find_majors that takes in a dictionary as a parameter, majors, that has a major code as the key and the name of a major as the value. Return a list of tuples of size two, in which the first element of the tuple is the major code and the second element of the tuple is the name of the major. For example, find_major({3084: 'Computer Science', 3025: 'Electrical Engineering', 3020: 'Computer Engineering', 3027: 'Cybersecurity', 3068: 'Biometric Systems Engineering'}) would return [(3084, 'Computer Science'), (3025, 'Electrical Engineering'), (3020, 'Computer Engineering'), (3027, 'Cybersecurity'), (3068, 'Biometric Systems Engineering')].

def find_major(dictionary_val): # write code here ==== from unittest.gui import TestCaseGui class MyTests(TestCaseGui): def testOne(self): self.assertEqual(find_major({3084: 'Computer Science', 3025: 'Electrical Engineering', 3020: 'Computer Engineering', 3027: 'Cybersecurity', 3068: 'Biometric Systems Engineering'}),[(3084,'Computer Science'), (3025, 'Electrical Engineering'),(3020, 'Computer Engineering'), (3027,'Cybersecurity'), (3068,'Biometric Systems Engineering')], "find_major({3084: 'Computer Science', 3025: 'Electrical Engineering', 3020: 'Computer Engineering', 3027: 'Cybersecurity', 3068: 'Biometric Systems Engineering'})") self.assertEqual(find_major({0: 'Business', -1: 'Food Science', -3: 'Women’s Studies'}),[(0, 'Business'), (-1, 'Food Science'), (-3, 'Women’s Studies')], "find_major({0: 'Business', -1: 'Food Science', -3: 'Women’s Studies'})") self.assertEqual(find_major({0: 'Business', 0: 'Food Science', 0:'Women’s Studies'}),[(0, 'Women’s Studies')], "find_major({0: 'Business', 0: 'Food Science', 0:'Women’s Studies'})") self.assertEqual(find_major({0.1: 'Business', 10: 'Food Science', -9: 'Women’s Studies'}),[(0.1, 'Business'), (10, 'Food Science'), (-9, 'Women’s Studies')], "find_major({0.1: 'Business', 10: 'Food Science', -9: 'Women’s Studies'})") MyTests().main()

Write a function called find_majors that takes in a dictionary as a parameter, majors, that has a major code as the key and the name of a major as the value. Return a list of tuples of size two, in which the first element of the tuple is the major code and the second element of the tuple is the name of the major. For example, find_major({3084: 'Computer Science', 3025: 'Electrical Engineering', 3020: 'Computer Engineering', 3027: 'Cybersecurity', 3068: 'Biometric Systems Engineering'}) would return [(3084, 'Computer Science'), (3025, 'Electrical Engineering'), (3020, 'Computer Engineering'), (3027, 'Cybersecurity'), (3068, 'Biometric Systems Engineering')].

def find_major(dictionary_val): ls1 = [] ls2 = [] for key, val in dictionary_val.items(): ls1.append(key) ls2.append(val) list_of_tup = list(zip(ls1, ls2)) return list_of_tup

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Write a function called dict_transform that takes in one dictionary parameter, dict, which returns a tuple of tuples. The inner tuple should have the first element as the key of the dict and the second element should have the value of the dict. Do not use the keys() or values() methods. For example, dict_transform({'Rattata': 19, 'Machop': 66, 'Seel': 86, 'Volbeat': 86, 'Solrock': 126}) should return (('Rattata', 19), ('Machop', 66), ('Seel', 86), ('Volbeat', 86), ('Solrock', 126)).

def dict_transform(dict): # write code here ==== from unittest.gui import TestCaseGui class MyTests(TestCaseGui): def testOne(self): self.assertEqual(dict_transform({'Rattata': 19, 'Machop': 66, 'Seel': 86, 'Volbeat': 86, 'Solrock': 126}), (('Rattata', 19), ('Machop', 66), ('Seel', 86), ('Volbeat', 86), ('Solrock', 126)), "dict_transform({'Rattata': 19, 'Machop': 66, 'Seel': 86, 'Volbeat': 86, 'Solrock': 126})") self.assertEqual(dict_transform({0: 'Business', -1: 'Food Science', -3: 'Women’s Studies'}), ((0, 'Business'), (-1, 'Food Science'), (-3, 'Women’s Studies')), "dict_transform({0: 'Business', -1: 'Food Science', -3: 'Women’s Studies'})") self.assertEqual(dict_transform({0: 'Business', 0: 'Food Science', 0:'Women’s Studies'}), ((0, 'Women’s Studies'),), "dict_transform({0: 'Business', 0: 'Food Science', 0:'Women’s Studies'})") self.assertEqual(dict_transform({0.1: 'Business', 10: 'Food Science', -9: 'Women’s Studies'}),((0.1, 'Business'), (10, 'Food Science'), (-9, 'Women’s Studies')), "dict_transform({0.1: 'Business', 10: 'Food Science', -9: 'Women’s Studies'})") MyTests().main()

Write a function called dict_transform that takes in one dictionary parameter, dict, which returns a tuple of tuples. The inner tuple should have the first element as the key of the dict and the second element should have the value of the dict. Do not use the keys() or values() methods. For example, dict_transform({'Rattata': 19, 'Machop': 66, 'Seel': 86, 'Volbeat': 86, 'Solrock': 126}) should return (('Rattata', 19), ('Machop', 66), ('Seel', 86), ('Volbeat', 86), ('Solrock', 126)).

def dict_transform(dict): lst_keys = [] lst_vals = [] for key, val in dict.items(): lst_keys.append(key) lst_vals.append(val) zipped_tup= tuple(zip(lst_keys, lst_vals)) return zipped_tup

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Write the function mod_tuples which takes a list of tuples, tup_list and returns a copy where the last element in each tuple is modified to be 100. For example, mod_tuples([(3,4), (20, -3, 2)]) returns [(3,100), (20, -3, 100)].

def mod_tuples(tup_list): # write code here ==== from unittest.gui import TestCaseGui class MyTests(TestCaseGui): def testOne(self): self.assertEqual(mod_tuples([(3, 4), (20, -3, 2)]),[(3, 100), (20, -3, 100)], "mod_tuples([(3, 4), (20, -3, 2)]") self.assertEqual(mod_tuples([(3, ), (20, -3, 2)]),[(100, ), (20, -3, 100)], "mod_tuples([(3, ), (20, -3, 2)]") self.assertEqual(mod_tuples([(3, 4), (-3, )]),[(3, 100), (100,)], "mod_tuples([(3, 4), (-3, )]),[(3, 100), (100,)]") self.assertEqual(mod_tuples([(20, )]),[(100, )], "mod_tuples([(20, )])") self.assertEqual(mod_tuples([(20, 1, 80, 2 )]),[(20, 1, 80, 100)], "mod_tuples([(20, 1, 80, 2 )])") MyTests().main()

Write the function mod_tuples which takes a list of tuples, tup_list and returns a copy where the last element in each tuple is modified to be 100. For example, mod_tuples([(3,4), (20, -3, 2)]) returns [(3,100), (20, -3, 100)].

def mod_tuples(tup_list): # Access the last element of each list (-1) and replace with 100 in each element of the tuple updated_list = [tup[:-1] + (100,) for tup in tup_list] # return the updated list return updated_list

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Write a function list_link that accepts two lists, lst1 and lst2 and returns a dictionary with the first list as the key and the second list as the value. For example, list_link(['what', 'do', 'you', 'do'], [1,2,3,4]) should return {'what': 1, 'do': 4, 'you': 3}.

def list_link(lst1, lst2): #write your code here ==== from unittest.gui import TestCaseGui class MyTests(TestCaseGui): def testOne(self): self.assertEqual(list_link(['what', 'do', 'you', 'do'], [1,2,3,4]), {'what': 1, 'do': 4, 'you': 3}, "Testing that the function was properly defined.") self.assertEqual(list_link(['I', 'love', 'coding'], [2,0,-8]), {'I': 2, 'love': 0, 'coding': -8}, "Testing that the function was properly defined.") MyTests().main()

Write a function list_link that accepts two lists, lst1 and lst2 and returns a dictionary with the first list as the key and the second list as the value. For example, list_link(['what', 'do', 'you', 'do'], [1,2,3,4]) should return {'what': 1, 'do': 4, 'you': 3}.

# Define function with 2 lists as arguments def list_link(lst1, lst2): # Create dictionary diction = {} # Create counter variable to count iterations counter = 0 # Create condition for when lists are the same length if len(lst1) == len(lst2): # iterate through item in list1 for i in lst1: # Add that item to dictionary with its place in list2 diction[i] = lst2[counter] # Increment counter counter += 1 # Return the dictionary return diction

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