Monster Tutorial PCL1

What is the correct syntax to define a function in Python?

• function myFunc():

• def myFunc()

• create myFunc():

• def myFunc():

Which of the following is the correct way to create a class in Python?

• class MyClass()

• def MyClass():

• class MyClass:

• class MyClass{}:

Which list comprehension produces a list of squares for numbers from 1 to 5?

• [x*x for x in range(6)]

• [x**2 for x in range(1, 6)]

• [x^2 for x in range(5)]
  

• [square(x) for x in range(5)]

What does the regex ^a...s$ match?

• Any five-letter string starting with 'a' and ending with 's'

• A string 'a' followed by any three characters and 's'

• Any string with 'a' at the beginning and 's' at the end

• A string that has an 'a' and 's' separated by any three characters

How do you access the value associated with the key 'name' in a Python dictionary d?

• d('name')

• d[name]
  

• d.get('name')

• d{name}

grep -P '^(?=.*\bword1\b)(?=.*\bword2\b).*' myfile.txt

What is the purpose of this command?

• To find lines in myfile.txt that contain both word1 and word2 in any order.

• To replace occurrences of word1 with word2 in myfile.txt.

• To display lines in myfile.txt that start with word1 and end with word2.

• To count the occurrences of either word1 or word2 in myfile.txt.

Access the last 4 letters of a string, ensuring the operation is only performed if the string is at least 6 characters long

• word[-4:] if len(word) >= 6 else None

• word[-6:-2]
  

• word[:4] if len(word) >= 6

• word[-4:] if len(word) > 4 else None

How would you insert the word 'Fröhliche' with the part-of-speech (PoS) tag 'ADJA' into an existing dictionary my_hash

• my_hash.append({'Fröhliche': 'ADJA'})

• my_hash['Fröhliche'] = 'ADJA'

• my_hash.add('Fröhliche', 'ADJA')

• my_hash.insert(0, {'Fröhliche': 'ADJA'})

  
  

Given a verticalized word list (one word per line) in a file named my_text.txt, which UNIX command combination is used to calculate an alphabetically sorted list of all unique word types in this file?

• grep -o '\w+' my_text.txt | sort | uniq -c

• sort -u my_text.txt

• my_text.txt | sort | uniq

• cat my_text.txt | sort | uniq