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python-csi160/week10/part1.py

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+
+# Step 1. Create dictionary called 'user'
+# with the following keys: 'name' and 'location'
+# Set the name to 'John Doe'
+# Set the location to 'Burlington, VT'
+
+user = {
+    'name': 'John Doe',
+    'location': 'Burlington, VT'
+}
+
+# Step 2. Ask the user for the user's age
+# and create a key/value pair in user to store this
+# called 'age'
+try:
+    age = input(f"How old is {user['name']}? ")
+except KeyError:
+    print('"name" not defined as a key in Step 1')
+else:
+    user['age'] = int(age)
+    print(f"{user['name']} is {user['age']} years old.")
+  
+
+# Step 3
+# Create keys "first_name" and "last_name"
+# Use .split() to seperate name into firstname and last_name
+# Remove the key "name" from the dictionary
+
+first_name, last_name = user['name'].split()
+user['first_name'] = first_name
+user['last_name'] = last_name
+del user['name']
+print(f"First name: {user['first_name']}")
+print(f"Last name: {user['last_name']}")
+
+
+# For testing (do not delete)
+print('Printing "user":')
+print(user)

python-csi160/week10/part2.py

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+def synonym_lookup(word_pairs, word_to_lookup):
+    """Returns synonym for the word to word_to_lookup
+
+    Complete this function by using a dictionary. For each synonym pair, 
+    you should add both words as keys to your dictionary with the value being the other word.
+
+    params:
+     word_pairs (tuple of tuples): Example: (('Hello', 'Hi'), ('Goodbye','Bye'))
+     word_to_lookup (string): The word to find a synonym for 
+     return (string): The synonym for the word_to_lookup
+    """
+    synonym_dict = {}
+
+    # Create a dictionary with both words in each pair
+    for word1, word2 in word_pairs:
+        synonym_dict[word1] = word2
+        synonym_dict[word2] = word1
+
+    # Return the synonym
+    return synonym_dict.get(word_to_lookup, None)
+
+
+example_word_pairs = (('Hello', 'Hi'), ('Goodbye','Bye'), ('Snake', 'Serpent'))
+
+print(f'A synonym for "Serpent" is {synonym_lookup(example_word_pairs, "Serpent")}.  (Snake expected)')

python-csi160/week10/part3.py

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+final_election_results = {}
+
+def record_candidate_votes(election_results, candidate, num_votes, precinct):
+    """Records votes for a particular candidate in one precinct in the election_results.
+
+    The precinct is not used for the function currently.
+
+    Optional tip: Using method .get() can allow you to avoid needing a if or try statement
+
+    params:
+    election_results (dict): Dictionary to be modified by recording the votes for a candidate in a precinct
+    cadidate (string): The name of a candidate.  Used as the 'key' in the election_results dictionary.
+    num_votes (int): The number of votes to add to the candidate's total
+    """
+    if candidate in election_results:
+        # If candidate exists, add to the existing total
+        election_results[candidate] += num_votes
+    else:
+        # If candidate doesn't exist, create a new entry
+        election_results[candidate] = num_votes
+
+
+
+# This section is for testing purposes, do not modify
+# FYI: These numbers are made up for example purposes only
+record_candidate_votes(final_election_results,'Miro Weinberger', 100, 'Ward 1')
+record_candidate_votes(final_election_results,'Max Tracy', 140, 'Ward 1')
+record_candidate_votes(final_election_results,'Ali Dieng', 27, 'Ward 1')
+record_candidate_votes(final_election_results,'Miro Weinberger', 50, 'Ward 2')
+record_candidate_votes(final_election_results,'Max Tracy', 150, 'Ward 2')
+record_candidate_votes(final_election_results,'Ali Dieng', 35, 'Ward 2')
+record_candidate_votes(final_election_results,'Miro Weinberger', 100, 'Ward 3')
+record_candidate_votes(final_election_results,'Max Tracy', 100, 'Ward 3')
+record_candidate_votes(final_election_results,'Ali Dieng', 56, 'Ward 3')
+record_candidate_votes(final_election_results,'Miro Weinberger', 320, 'Ward 4')
+record_candidate_votes(final_election_results,'Max Tracy', 213, 'Ward 4')
+record_candidate_votes(final_election_results,'Ali Dieng', 175, 'Ward 4')
+print(final_election_results)

python-csi160/week10/part4.py

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+import string
+from alice import alice_text
+
+def word_frequency(text):
+    """Generates a word frequency dictionary for the supplied text.  All punctuation is stripped and the case is converted to lowercase.
+
+    Example dictionary: {'the': 2, 'cat': 1, 'bit': 1, 'dog': 1}
+
+    param text: (string) The text to be analyzed
+    return: (dict) Word frequency dictionary
+    """
+    # Strip Punctuation
+    for character in string.punctuation:
+        text = text.replace(character, "")
+    
+    # Convert to lower case
+    text = text.lower()
+
+    # Generate a list of all of the words
+    words = text.split()
+
+    word_frequency = {}
+    for word in words:
+        if word in word_frequency:
+            word_frequency[word] += 1
+        else:
+            word_frequency[word] = 1
+    return word_frequency
+
+
+# Code for testing purposes. Do not modify
+short_sentence = "The silly cat is the silly face."
+print(f'Analyzing word frequency of "{short_sentence}"')
+print(word_frequency("The silly cat is the silly face."))
+
+print()
+try:
+    print('In Alice and Wonderland,')
+    alice_freq = word_frequency(alice_text)
+    print(f'The word Alice occurs {alice_freq["alice"]} times')
+    print(f'The word melancholy occurs {alice_freq["melancholy"]} times')
+    print(f'{len(alice_freq)} different words are used in the book.')
+except Exception as e:
+    print('Exception raised when analyzing Alice in Wonderland:')
+    print(e)