Code multiple choice test
what does list_name.extend([element, element, ...]) do?
Adds a list of elements onto the end of an existing list
What does the following code print? time_of_day = ["morning", "afternoon", "evening"] for word in time_of_day: print "Good " + word
Good morning Good afternoon Good evening
Which is the following is not true about tuples
Tuples use parentheses to access individual elements, rather than square brackets
the list
a heterogenous, mutable data type that stores an ordered sequence of things
what does list_name.append(element) do?
adds elements to the end of a list one by one
what does tuple_name [num] [num] do?
can call the index of a tuple in a tuple
what does a list_name.count() do
counts how many of a particular element element exist in a list
what does list_name = [element, element, ...] do?
creates a list
what does tuple_name = (element, element, ...) do?
creates a tuple
what does import math do
imports math library
what does string.join(list_name) do?
joins list elements into a string concatenated with a given string
Which of the following Python programs creates a list with numbers 1 through 5?
my_list = [1, 2, 3, 4, 5]
Look at the following program: my_list = ["bananas", "oranges", "grapes", "pineapples", "apples"] # You pick the code that goes here... # ... # ... print my_list Pick the code that results in the following output: ['apples', 'bananas', 'grapes', 'oranges', 'pineapples']
my_list.sort()
Look at the following program: my_list = ["bananas", "oranges", "grapes", "pineapples", "apples"] # You pick the code that goes here... # ... # ... print my_list Pick the code that results in the following output: ['pineapples', 'oranges', 'grapes', 'apples']
my_list.sort() my_list.reverse() my_list.remove("bananas")
which of the following code snippets will correctly convert a string to a list
my_string = "hello" str_as_list = list(my_string)
What code below will print the following? Letter 1: T Letter 2: i Letter 3: m
name = "Tim" name_list = list(name) for index, value in enumerate(name_list): print "Letter " + str(index+1) + ": " + name_list[index]
what does pow(number,exponent) do?
raises a number to an exponent
what does list_name.remove() do?
removes the first occurrence of a particular element in a list
what does list_name.reverse() do?
reverses the order of elements inside a list
what does list_index, list_item in enumerate(list_name): commmands here (indented!) do?
saves both the index value and the list item at each loop iteration
what does string.split() do?
separates a line of text into list elements at whitespaces
what does list(string) do?
separates a string into list elements
what does list_name.sort() do?
sorts the elements in a list from least to greatest
What does Math.sqrt(number) do?
takes the square root of a number
what does tuple_name = (element,) do?
tuples need commas
Which of the following is the correct way to declare a tuple?
x = (1, 2, 3)
Tuple
A heterogenous, immutable data type that stores an ordered sequence of things
what does tuple_name = (element, element, ....) ...) do?
A tuple can exist inside a tuple