Week03 Homework - Sefa Sağırlı

Week03/pyramid_sefa_sagirli.py

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+def calculate_pyramid_height(number_of_blocks):
+    """Return the height of the pyramid that can be built with the given blocks.
+
+    Each level i needs i blocks (1 on top, 2 below it, and so on).
+    """
+    height = 0
+    while number_of_blocks >= height + 1:
+        height += 1
+        number_of_blocks -= height
+    return height

Week03/sequences_sefa_sagirli.py

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+def remove_duplicates(seq: list) -> list:
+    """Return a new list without duplicates, keeping the original order."""
+    result = []
+    for item in seq:
+        if item not in result:
+            result.append(item)
+    return result
+
+
+def list_counts(seq: list) -> dict:
+    """Return a dictionary with the number of occurrences of each item."""
+    counts = {}
+    for item in seq:
+        counts[item] = counts.get(item, 0) + 1
+    return counts
+
+
+def reverse_dict(d: dict) -> dict:
+    """Return a dictionary with keys and values swapped."""
+    return {value: key for key, value in d.items()}