[Sync Iteration] python/making-the-grade/1

solutions/python/making-the-grade/1/loops.py

@@ -0,0 +1,107 @@
+"""Functions for organizing and calculating student exam scores."""
+
+
+def round_scores(student_scores):
+    """Round all provided student scores.
+
+    Parameters:
+        student_scores (list[float]): Student exam scores.
+
+    Returns:
+        list[int]: Student scores *rounded* to the nearest integer value.
+    """
+    new = []
+    for element in student_scores:
+        new.append(round(element))
+    return(new)
+
+
+
+def count_failed_students(student_scores):
+    """Count the number of failing students out of the group provided.
+
+    Parameters:
+        student_scores (list[int]): Student scores as ints.
+
+    Returns:
+        int: The count of student scores at or below 40.
+    """
+    number = 0
+    for element in student_scores:
+        if element<=40:
+            number+=1
+    return(number)
+
+def above_threshold(student_scores, threshold):
+    """Determine how many of the provided student scores were 'the best' based on the provided threshold.
+
+    Parameters:
+        student_scores (list[int]): Integer scores.
+        threshold (int): The threshold to cross to be the "best" score.
+
+    Returns:
+        list[int]: Integer scores that are at or above the "best" threshold.
+    """
+    best = []
+    for element in student_scores: 
+        if element>= threshold:
+            best.append(element)
+    return(best)
+
+
+def letter_grades(highest):
+    """Create a list of grade thresholds based on the provided highest grade.
+
+    Parameters:
+        highest (int): The value of the highest exam score.
+
+    Returns:
+        list[int]: Lower threshold scores for each D-A letter grade interval.
+
+        For example, where the highest score is 100, and failing is <= 40,
+        The result would be [41, 56, 71, 86]:
+            41 <= "D" <= 55
+            56 <= "C" <= 70
+            71 <= "B" <= 85
+            86 <= "A" <= 100
+    """
+    margin = (highest - 40)//4
+    grades = [41]
+    for i in range(1,4):
+        grades.append(grades[i-1]+margin)
+    return(grades)
+    pass
+
+
+def student_ranking(student_scores, student_names):
+    """Organize the student's rank, name, and grade information in descending order.
+
+    Parameters:
+        student_scores (list): Scores in descending order.
+        student_names (list[str]): Student names by exam score in descending order.
+
+    Returns:
+        list[str]: Strings in format ["<rank>. <student name>: <score>"].
+    """
+    ranking = []
+    for i,student in enumerate(student_names, start = 1):
+        rank = str(i) + ". " + student + ": " + str(student_scores[i-1])
+        ranking.append(rank)
+    return(ranking)
+
+
+def perfect_score(student_info):
+    """Create a list that contains the name and grade of the first student to make a perfect score on the exam.
+
+    Parameters:
+        student_info (list[list[str, int]]): List of [<student name>, <score>] lists.
+
+    Returns:
+        list: First `[<student name>, 100]` found OR `[]` if no student score of 100 is found.
+    """
+    First = []
+    for element in student_info:
+        if element[1]==100:
+            First=element
+            break
+    return First