Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Python final exam
| Question | Answer |
|---|---|
| Invalid indexes do not cause slicing expressions to raise an exception. | True |
| Lists are dynamic data structures such that items may be added to them or removed from them. | True |
| Arrays, which are allowed by most other programming languages, have more capabilities than Python list structures. | False |
| A list cannot be passed as an argument to a function. | False |
| The remove method removes all occurrences of an item from a list. | False |
| The sort method rearranges the elements of a list so they are in ascending or descending order. | False |
| The index of the first element in a list is 1, the index of the second element is 2, and so forth. | False |
| The index -1 identifies the last element in a list. | True |
| In slicing, if the end index specifies a position beyond the end of the list, Python will use the length of the list instead. | True |
| What are the data items in a list called? | elements |
| When working with multiple sets of data, one would typically use a(n) | nested list |
| The primary difference between a tuple and a list is that | once a tuple is created, it cannot be changed |
| What is an advantage of using a tuple rather than a list? | Processing a tuple is faster than processing a list. |
| Which list will be referenced by the variable number after the following code is executed? number = range(0, 9, 2) | [0, 2, 4, 6, 8] |
| Which of the following would you use if an element is to be removed from a specific index? | a del statement |
| What is the first negative index in a list? | -1 |
| Which method can be used to place an item at a specific index in a list? | insert |
| Which method or operator can be used to concatenate lists? | + |
| Which method can be used to convert a list to a tuple? | tuple |
| Which method can be used to convert a tuple to a list? | list |
| What will be the value of the variable list after the following code executes? list = [1, 2] list = list * 3 | [1, 2, 1, 2, 1, 2] |
| What will be the value of the variable list after the following code executes? list = [1, 2, 3, 4] list[3] = 10 | [1, 2, 3, 10] |
| What will be the value of the variable list2 after the following code executes? list1 = [1, 2, 3] list2 = []for element in list1: list2.append(element) list1 = [4, 5, 6] | [1, 2, 3] |
| This function in the random module returns a random element from a list. | choice |
| This function in the random module returns multiple, nonduplicated random elements from a list. | choices |
| What values will list2 contain after the following code executes? list1 = [1, 2, 3] list2 = [item + 1 for item in list1] | [2, 3, 4] |
| What values will list2 contain after the following code executes? list1 = [1, 10, 3, 6] list2 = [item * 2 for item in list1 if item > 5] | 20, 12] |
| A list ________ is a concise expression that creates a new list by iterating over the elements of an existing list. | comprehension |
| In order to create a graph in Python, you need to include | import matplotlib.pyplot |
| You cannot use a for loop to iterate over the characters in a string. | False |
| Indexing works with both strings and lists. | True |
| In slicing, if the end index specifies a position beyond the end of the string, Python will use the length of the string instead. | True |
| Indexing of a string starts at 1 so the index of the first character is 1, the index of the second character is 2, and so forth. | False |
| The index -1 identifies the last character of a string. | True |
| The following code will display 'yes + no': mystr = 'yes' yourstr = 'no' mystr += yourstr print(mystr) | False |
| If the + operator is used on strings, it produces a string that is a combination of the two strings used as its operands. | True |
| When accessing each character in a string, such as for copying purposes, you would typically use a while loop. | False |
| If a whole paragraph is included in a single string, the split() method can be used to obtain a list of the sentences in the paragraph. | True |
| The strip() method returns a copy of the string with all the leading whitespace characters removed but does not remove trailing whitespace characters. | False |
| What are the valid indexes for the string 'New York'? | 0 through 7 |
| What will be displayed after the following code executes? mystr = 'yes' yourstr = 'no' mystr += yourstr * 2 print(mystr) | yesnono |
| What will be assigned to the variable s_string after the following code executes? special = '1357 Country Ln.' s_string = special[ :4] | '1357' |
| What will be assigned to the variable s_string after the following code executes? special = '1357 Country Ln.' s_string = special[4:] | ' Country Ln.' |
| What will be assigned to the variable s_string after the following code executes? special = '1357 Country Ln.' s_string = special[-3:] | 'Ln.' |
| What will be assigned to the variable some_nums after the following code executes? special = '0123456789' some_nums = special[0:10:2] | '02468' |
| If the start index is ________ the end index, the slicing expression will return an empty string. | greater than |
| What is the return value of the string method lstrip()? | the string with all leading whitespaces removed |
| What is the first negative index in a string? | -1 |
| What will be assigned to the string variable pattern after the following code executes? i = 3 pattern = 'z' * (5 * i) | 'zzzzzzzzzzzzzzz' |
| Which method would you use to determine whether a certain substring is present in a string? | find(substring) |
| Which method would you use to determine whether a certain substring is the suffix of a string? | endswith(substring) |
| What list will be referenced by the variable list_strip after the following code executes? my_string = '03/07/2018' list_strip = my_string.split('/') | ['03', '07', '2018'] |
| What will be the value of the variable string after the following code executes? string = 'abcd' string.upper() | 'ABCD' |
| What will be the value of the variable string after the following code executes? string = 'Hello' string += ' world!' | 'Hello world!' |
| What will display after the following code executes? password = 'ILOVEPYTHON' if password.isalpha(): print('Invalid, must contain one number.') elif password.isdigit(): print('Invalid, must have one non-numeric character.') elif password.isupp | Invalid, must contain one number. |
Created by:
wbuice