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 Blank

Type the name of a subprogram ...

Fill in the Blank

Type the name of a subprogram parameter ...

Fill in the Blank

Type the name of an argument passed into a subprogram ...

Fill in the Blank

Type the name of a file method (without any parenthesis) ...

Fill in the Blank

Type the name of a data structure ...

Fill in the Blank

Type the name of a string method (without the parenthesis) ...

Fill in the Blank

Type the name of a list method (without the parenthesis) ...

Fill in the Blank

Type the name of a string variable ...

Fill in the Blank

Type the line number of a Boolean expression ...

Fill in the Blank

Type the last line number of a loop ...

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