Compsci 101, Find Big Files

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Questions about FileVisit.py

FileVisit code

def bigfiles(dirname,min_size):
large = []

for sub in os.listdir(dirname):
subpath = os.path.join(dirname,sub)
if os.path.isdir(subpath):
subs = bigfiles(subpath,min_size)
large.extend(subs)
else:
size = os.path.getsize(subpath)
if size > min_size:
large.append((subpath,size))
return large

A list is returned by bigfiles, Which lines add elements to the list being returned?

Check each line that adds elements to the list

large.extend(subs)

size = os.path.getsize(subpath)

large.append((subpath,size))

return large

Which line determines if an element of a folder is a directory?

Choose one

if size > min_size

if os.path.isdir(subpath)

subpath = os.path.join(dirname,sub)

for sub in os.listdir(dirname)

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Which best describes the outer for loop in the function?

Choose one

It loops over elements of a folder, dirname is the name of a folder

It loops over elements in a filesystem, determining which elements should be visited

it recursively determines the size of file-system elements located in a folder

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Names and Netids below

Name(s)

netid

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