4.2.2.Graded Quiz Dictionaries - sj50179/IBM-Data-Science-Professional-Certificate GitHub Wiki
LATEST SUBMISSION GRADE 100% Question 1 Consider the following dictionary:
{ "The Bodyguard":"1992", "Saturday Night Fever":"1977"}
select the values
1 / 1 point
"1977"
Correct correct this is a value
"1992"
Correct correct this is a value
"The Bodyguard"
"Saturday Night Fever"
Question 2 The variable release_year_dict is a Python Dictionary, what is the result of applying the following method: release_year_dict.values() ?
1 / 1 point
retrieve the keys of the dictionary
retrieves, the values of the dictionary
Correct correct, this method returns the values
Question 3 What is wrong with the following dictionary: {'a':1, 'a':2} ?
1 / 1 point
it has duplicate entries for the keys
it has different entries for the values
Correct correct, a dictionary must have unique keys