Compsci 101, uniqueFirstNames

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This exercise is for collaborative work during class. Do not fill out early!

Here is a datafile and code for processing the file

Here is a datafile of first and last names, separated by colon if multiple names on a line

Susan Smith:Jackie Long:Mary White
Susan Brandt
Jackie Johnson:Susan Rodger:Mary Rodger
Eric Long:Susan Crackers:Mary Velios
Jack Frost:Eric Lund

def processFile(file):
'''
The parameter file is the name of a file with one or more names
on a line. Each name is two words separated by a blank.
Multiple names on a line are separated by a colon
Return a list of names
'''
nameList = []
for line in file:
listNames = line.strip().split(':')
[nameList.append(nm.split()) for nm in listNames]
return nameList

Which of the following is true about this function processFile *

The program will crash because each line of data is different, has different number of names in it

The program will crash because both the " " and the ":" are used as separators

The program will crash because there is too much going on in the list comprehension, splitting and appending a list

The code should work fine.

What format is namelist in? *

a list of strings

A list of list of strings

A list of list of list of strings

A list of sets of strings

A list of words

Write the code for UniqueFirstNames

def uniqueFirstNames(data):
'''
The parameter data is a list of lists where each list is two
strings representing the first and last name of a person.
Return a list of the unique first names of all the people.
'''
uniqueNames = set([])
#TODO:

Write the code for UniqueFirstNames here *

Names and Netids below

Names (comma separated) *

netid *

netid (partner)

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