06: tasky 36 az 40

Author: ZelenyMartin

06/generate_tasks_3.sh

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+#!/bin/bash
+
+mkdir -p tasks
+
+function write_task_and_test() {
+  num=$1
+  name=$2
+  task_code=$3
+  test_code=$4
+
+  task_file="tasks/task_${num}_${name}.py"
+  test_file="test_${num}_${name}.py"
+
+  echo "# task_${num}_${name}.py" > "$task_file"
+  echo -e "$task_code" >> "$task_file"
+
+  echo "# test_${num}_${name}.py" > "$test_file"
+  echo -e "$test_code" >> "$test_file"
+}
+
+write_task_and_test "36" "sum_nested_list" '
+def sum_nested_list(nested: list) -> int:
+    """
+    Sečte všechna čísla v (potenciálně zanořeném) seznamu.
+    Nápověda: isinstance(), rekurze
+    """
+' '
+import pytest
+from tasks.task_36_sum_nested_list import sum_nested_list
+
+def test_sum_nested_list():
+    assert sum_nested_list([1, 2, [3, 4], 5]) == 15
+    assert sum_nested_list([]) == 0
+    assert sum_nested_list([[[1]], 2, [3, [4]]]) == 10
+    assert sum_nested_list([0, [0, [0]]]) == 0
+    assert sum_nested_list([10, [20, [30, [40]]]]) == 100
+    assert sum_nested_list([1, [2], 3, [4, [5, [6]]]]) == 21
+'
+
+
+write_task_and_test "37" "longest_unique_substring" '
+def longest_unique_substring(s: str) -> int:
+    """
+    Vrátí délku nejdelší podposloupnosti bez opakujících se znaků.
+    """
+' '
+import pytest
+from tasks.task_37_longest_unique_substring import longest_unique_substring
+
+def test_longest_unique_substring():
+    assert longest_unique_substring("abcabcbb") == 3
+    assert longest_unique_substring("bbbbb") == 1
+    assert longest_unique_substring("pwwkew") == 3
+    assert longest_unique_substring("") == 0
+    assert longest_unique_substring("abcdef") == 6
+    assert longest_unique_substring("abccba") == 3
+    assert longest_unique_substring("abba") == 2
+    assert longest_unique_substring("tmmzuxt") == 5
+'
+
+write_task_and_test "38" "matrix_transpose" '
+def matrix_transpose(matrix: list[list[int]]) -> list[list[int]]:
+    """
+    Vrátí transponovanou matici.
+    """
+' '
+import pytest
+from tasks.task_38_matrix_transpose import matrix_transpose
+
+def test_matrix_transpose():
+    assert matrix_transpose([[1,2],[3,4]]) == [[1,3],[2,4]]
+    assert matrix_transpose([[1,2,3]]) == [[1],[2],[3]]
+    assert matrix_transpose([[1],[2],[3]]) == [[1,2,3]]
+    assert matrix_transpose([]) == []
+    assert matrix_transpose([[5]]) == [[5]]
+    assert matrix_transpose([[1,2,3],[4,5,6]]) == [[1,4],[2,5],[3,6]]
+'
+
+write_task_and_test "39" "reverse_vowels" '
+def reverse_vowels(s: str) -> str:
+    """
+    Vrátí řetězec s přeházenými samohláskami v opačném pořadí.
+    Ostatní znaky zůstávají na místě.
+    """
+' '
+import pytest
+from tasks.task_39_reverse_vowels import reverse_vowels
+
+def test_reverse_vowels():
+    assert reverse_vowels("hello") == "holle"
+    assert reverse_vowels("leetcode") == "leotcede"
+    assert reverse_vowels("aA") == "Aa"
+    assert reverse_vowels("Python") == "Python"
+    assert reverse_vowels("") == ""
+    assert reverse_vowels("bcdfg") == "bcdfg"
+    assert reverse_vowels("AEIOU") == "UOIEA"
+    assert reverse_vowels("racecar") == "racecar"
+'
+
+write_task_and_test "40" "most_frequent" '
+def most_frequent(items: list) -> any:
+    """
+    Vrátí nejčastěji se vyskytující prvek v seznamu.
+    """
+' '
+import pytest
+from tasks.task_40_most_frequent import most_frequent
+
+def test_most_frequent():
+    assert most_frequent([1,1,2,2,2,3]) == 2
+    assert most_frequent(["a","b","a","a","c"]) == "a"
+    assert most_frequent([True, False, True, True]) == True
+    assert most_frequent([42]) == 42
+    assert most_frequent(["x", "y", "x", "z", "x"]) == "x"
+    assert most_frequent([3,3,3,2,2,1]) == 3
+'

06/tasks/task_36_sum_nested_list.py

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+# task_36_sum_nested_list.py
+
+def sum_nested_list(nested: list) -> int:
+    """
+    Sečte všechna čísla v (potenciálně zanořeném) seznamu.
+    Nápověda: isinstance(), rekurze
+    """
+

06/tasks/task_37_longest_unique_substring.py

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+# task_37_longest_unique_substring.py
+
+def longest_unique_substring(s: str) -> int:
+    """
+    Vrátí délku nejdelší podposloupnosti bez opakujících se znaků.
+    """
+

06/tasks/task_38_matrix_transpose.py

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+# task_38_matrix_transpose.py
+
+def matrix_transpose(matrix: list[list[int]]) -> list[list[int]]:
+    """
+    Vrátí transponovanou matici.
+    """
+

06/tasks/task_39_reverse_vowels.py

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+# task_39_reverse_vowels.py
+
+def reverse_vowels(s: str) -> str:
+    """
+    Vrátí řetězec s přeházenými samohláskami v opačném pořadí.
+    Ostatní znaky zůstávají na místě.
+    """
+

06/tasks/task_40_most_frequent.py

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+# task_40_most_frequent.py
+
+def most_frequent(items: list) -> any:
+    """
+    Vrátí nejčastěji se vyskytující prvek v seznamu.
+    """
+

06/test_36_sum_nested_list.py

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+# test_36_sum_nested_list.py
+
+import pytest
+from tasks.task_36_sum_nested_list import sum_nested_list
+
+def test_sum_nested_list():
+    assert sum_nested_list([1, 2, [3, 4], 5]) == 15
+    assert sum_nested_list([]) == 0
+    assert sum_nested_list([[[1]], 2, [3, [4]]]) == 10
+    assert sum_nested_list([0, [0, [0]]]) == 0
+    assert sum_nested_list([10, [20, [30, [40]]]]) == 100
+    assert sum_nested_list([1, [2], 3, [4, [5, [6]]]]) == 21
+

06/test_37_longest_unique_substring.py

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+# test_37_longest_unique_substring.py
+
+import pytest
+from tasks.task_37_longest_unique_substring import longest_unique_substring
+
+def test_longest_unique_substring():
+    assert longest_unique_substring("abcabcbb") == 3
+    assert longest_unique_substring("bbbbb") == 1
+    assert longest_unique_substring("pwwkew") == 3
+    assert longest_unique_substring("") == 0
+    assert longest_unique_substring("abcdef") == 6
+    assert longest_unique_substring("abccba") == 3
+    assert longest_unique_substring("abba") == 2
+    assert longest_unique_substring("tmmzuxt") == 5
+

06/test_38_matrix_transpose.py

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+# test_38_matrix_transpose.py
+
+import pytest
+from tasks.task_38_matrix_transpose import matrix_transpose
+
+def test_matrix_transpose():
+    assert matrix_transpose([[1,2],[3,4]]) == [[1,3],[2,4]]
+    assert matrix_transpose([[1,2,3]]) == [[1],[2],[3]]
+    assert matrix_transpose([[1],[2],[3]]) == [[1,2,3]]
+    assert matrix_transpose([]) == []
+    assert matrix_transpose([[5]]) == [[5]]
+    assert matrix_transpose([[1,2,3],[4,5,6]]) == [[1,4],[2,5],[3,6]]
+

06/test_39_reverse_vowels.py

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+# test_39_reverse_vowels.py
+
+import pytest
+from tasks.task_39_reverse_vowels import reverse_vowels
+
+def test_reverse_vowels():
+    assert reverse_vowels("hello") == "holle"
+    assert reverse_vowels("leetcode") == "leotcede"
+    assert reverse_vowels("aA") == "Aa"
+    assert reverse_vowels("Python") == "Python"
+    assert reverse_vowels("") == ""
+    assert reverse_vowels("bcdfg") == "bcdfg"
+    assert reverse_vowels("AEIOU") == "UOIEA"
+    assert reverse_vowels("racecar") == "racecar"
+