Assessment: Methods: Lists and Strings

Assessment: Methods: Lists and Strings >> Python Basics

seqmut-1-2: Which method would you use to figure out the position of an item in a list?

✔️ Yes, index will return the position of the first occurance of an item.

Multiple Choice (assess_question4_1_1_2)

Score: 1.0 / 1

seqmut-1-3: Which method is best to use when adding an item to the end of a list?

✔️ Yes, though you can use insert to do the same thing, you don’t need to provide the position.

Multiple Choice (assess_question4_1_1_3)

Score: 1.0 / 1

Write code to add ‘horseback riding’ to the third position (i.e., right before volleyball) in the list sports.

sports = ['cricket', 'football', 'volleyball', 'baseball', 'softball', 'track and field', 'curling', 'ping pong', 'hockey']
sports.insert(2,'horseback riding')

ActiveCode (assess_ac4_1_1_4)

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Result	Actual Value	Expected Value	Notes
Pass	[‘cri…key’]	[‘cri…key’]	Testing that sports is set correctly.
Pass	‘.insert(‘	“sport…ing’)”	Testing that insert was used in your code.

You passed: 100.0% of the tests

Score: 1.0 / 1

Write code to take ‘London’ out of the list trav_dest.

 
trav_dest = ['Beirut', 'Milan', 'Pittsburgh', 'Buenos Aires', 'Nairobi', 'Kathmandu', 'Osaka', 'London', 'Melbourne']
trav_dest.remove('London')

ActiveCode (assess_ac4_1_1_5)

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Result	Actual Value	Expected Value	Notes
Pass	[‘Bei…rne’]	[‘Bei…rne’]	Testing that trav_dest is set correctly.
Pass	True	True	Testing that a method invocation was used in your code.

You passed: 100.0% of the tests

Score: 1.0 / 1

Write code to add ‘Guadalajara’ to the end of the list trav_dest using a list method.

 
trav_dest = ['Beirut', 'Milan', 'Pittsburgh', 'Buenos Aires', 'Nairobi', 'Kathmandu', 'Osaka', 'Melbourne']
trav_dest.append("Guadalajara")

ActiveCode (assess_ac4_1_1_6)

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Result	Actual Value	Expected Value	Notes
Pass	[‘Bei…ara’]	[‘Bei…ara’]	Testing that trav_dest is set correctly.
Pass	‘+’	‘trav_…ara”)’	Testing that you are not using concatenation (+).
Pass	‘.’	‘trav_…ara”)’	Testing that a method invocation was used in your code.

You passed: 100.0% of the tests

Score: 1.0 / 1

Write code to rearrange the strings in the list winners so that they are in alphabetical order from A to Z.

 
winners = ['Kazuo Ishiguro', 'Rainer Weiss', 'Youyou Tu', 'Malala Yousafzai', 'Alice Munro', 'Alvin E. Roth']
winners.sort()

ActiveCode (assess_ac4_1_1_7)

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Result	Actual Value	Expected Value	Notes
Pass	[‘Ali… Tu’]	[‘Ali… Tu’]	Testing that winners is set correctly (Don’t worry about actual and expected values).

You passed: 100.0% of the tests

Score: 1.0 / 1

Write code to switch the order of the winners list so that it is now Z to A. Assign this list to the variable z_winners.

 
winners = ['Alice Munro', 'Alvin E. Roth', 'Kazuo Ishiguro', 'Malala Yousafzai', 'Rainer Weiss', 'Youyou Tu']
winners.sort(reverse=True)
z_winners = winners

ActiveCode (assess_ac4_1_1_8)

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Result	Actual Value	Expected Value	Notes
Pass	[‘You…nro’]	[‘You…nro’]	Testing that z_winners is set correctly (Don’t worry about actual and expected values).

You passed: 100.0% of the tests