Solved lab

functions.py

@@ -0,0 +1,79 @@
+
+import string
+
+
+def get_unique_list_f(lst):
+    """
+    Takes a list as an argument and returns a new list with unique elements from the first list.
+
+    Parameters:
+    lst (list): The input list.
+
+    Returns:
+    list: A new list with unique elements from the input list.
+    """
+    # your code goes here
+    unique_list = []
+    for item in lst:
+        if item not in unique_list:  # uniqueness check: if the item is already in unique_list, we skip it; if it’s not there yet, we accept it
+            unique_list.append(item)
+    return unique_list
+
+
+
+
+def count_case_f(string):
+    """
+    Returns the number of uppercase and lowercase letters in the given string.
+
+    Parameters:
+    string (str): The string to count uppercase and lowercase letters in.
+
+    Returns:
+    A tuple containing the count of uppercase and lowercase letters in the string.
+    """
+    # your code goes here
+    upper_count = 0
+    lower_count = 0
+    for char in string:
+        if char.isupper():
+            upper_count += 1
+        elif char.islower():
+            lower_count += 1
+    return (upper_count, lower_count)
+
+
+
+def remove_punctuation_f(sentence):
+    """
+    Removes all punctuation marks (commas, periods, exclamation marks, question marks) from a sentence.
+
+    Parameters:
+    sentence (str): A string representing a sentence.
+
+    Returns:
+    str: The sentence without any punctuation marks.
+    """
+    # your code goes here
+    punctuation_marks = string.punctuation  # Get all standard punctuation marks
+    no_punct_sentence = ''.join(char for char in sentence if char not in punctuation_marks)
+    return no_punct_sentence
+
+
+
+
+def word_count_f(sentence):
+    """
+    Counts the number of words in a given sentence. To do this properly, first it removes punctuation from the sentence.
+    Note: A word is defined as a sequence of characters separated by spaces. We can assume that there will be no leading or trailing spaces in the input sentence.
+
+    Parameters:
+    sentence (str): A string representing a sentence.
+
+    Returns:
+    int: The number of words in the sentence.
+    """
+    # your code goes here
+    no_punct_sentence = remove_punctuation_f(sentence)
+    words = no_punct_sentence.split()  # Split the sentence into words based on spaces
+    return len(words)