String Processing

String Processing

Processing read in data as 2-D lists

Multiple Select

In this lesson I am going to learn to ... ?

• Split read-in data into lists

• Store read lines in a 2D list

Multiple Select

What did you learn to do in the last lesson on reading data?

• Open a file for read access

• Read data in file

• Remove the newline character from each line

Multiple Choice

What is the data type of each line of data that has been read from the file?

• String

• List

• Integer

• Boolean

Multiple Choice

What string method will turn the string into a list of elements, separated by the comma?

• string.split(',')

• string.split(,)

• string.strip()

• string.list(',')

Multiple Choice

What will be the value of line after this line of code:

line = line.split(',')

for the record about Alice?

• ['1','Alice','2','4\n']

• [1,'Alice',2,4]

• ['1','Alice','2','4']

• '1,Alice,2,'4\n'

Multiple Choice

What will be the value of colours after this line of code:

colours = colours.split(' ')

• ['Cyan','Magenta','Yellow','Black']

• [Cyan,Magenta,Yellow,Black]

• ('Cyan','Magenta','Yellow','Black')

• 'Cyan,Magenta,Yellow,Black'

Multiple Choice

What are missing words in this code?

• open

  line

  split

• open

  split

  strip

• read

  line

  split

• open

  strip

  split

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

What data type is the parameter of the subprogram?

• List

• string

• integer

• Boolean

Multiple Choice

What data type is returned by the subprogram?

• List

• string

• integer

• Boolean

Multiple Select

In this lesson I have learned to ...

• Split lines on commas

• Store read lines as records in 2D data structures

Open Ended

Thinking Hard

Now you have finished the task, what questions do you still want answered?

(press Shift+Enter to take a new line ...)

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it