20 Questions
How many nested for loops are used to scan a 2D list?
2
When scanning a 1D list, how many nested for loops are recommended?
1
For scanning a 3D list, how many nested for loops are suggested?
3
How are elements in a 2-D list accessed?
Using both a row index and a column index
What is the range for the row index in a 2-D list?
0 to the number of rows minus 1
In the given example, what value is assigned to the element with row index 3 and column index 1?
39
How is scanning done in a 2-D list?
Using two for loops to scan the rows and columns
What does the variable 'num_cols' represent when scanning a 2-D list?
The number of elements per row in the list
What is a list in Python?
A data structure that holds multiple values
How are list elements accessed in Python?
Using an index value
What is the size of a list referred to as?
Size
In Python, how are lists indexed?
Base-0 indexing
Which term is used to refer to accessing one entry within a list?
Indexing
What is the correct range of index values for a list with 13 elements?
[0, 12]
How can an element of a list be set to a new value?
By using an assignment statement with the proper index
What is the result of the expression 'total_ages += ages' in Python?
Adds each element of 'ages' list to 'total_ages'
What does a two-dimensional (2D) list resemble?
A table or matrix with rows and columns
How many memory locations are reserved for a 2-D list?
Equal to its number of rows multiplied by number of columns
What does a for loop do in the context of a list?
It prints each element of the list on a new line
What is the purpose of using an index when setting elements in a list?
To determine the position of the element in the list
This quiz covers the basics of creating and working with lists in Python for analyzing big data. Topics include creating one-dimensional lists, allocating memory for values, and examples of numeric lists. Taught by Dr. Asmaa Elbadrawy from ASU.
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