From 1dcfd757e8b716a2306f7ebb112d8e66c3edaac3 Mon Sep 17 00:00:00 2001
From: Clement Desmidt <clement@desmidt.fr>
Date: Wed, 8 Jan 2020 17:32:09 +0100
Subject: [PATCH] :sparkles: Finishing 11 new elements

---
 Incinerator/rotate-hole.py                   |  26 +++
 Incinerator/the-lancers.py                   | 161 +++++++++++++++++++
 Mine/caesar-cipher-encryptor.py              |  30 ++++
 Mine/morse-encoder.py                        |  28 ++++
 Mine/skew-symmetric-matrix.py                |  28 ++++
 Polygon/create-intervals-iterator-version.py |  34 ++++
 Polygon/flatten-a-list-iterator-version.py   |  25 +++
 Polygon/most-wanted-letter-2.py              |  27 ++++
 PyconTW/matrix-transpose.py                  |  17 ++
 PyconTW/simple_hashlib.py                    |  13 ++
 PyconTW/weekend-counter.py                   |  22 +++
 11 files changed, 411 insertions(+)
 create mode 100644 Incinerator/rotate-hole.py
 create mode 100644 Incinerator/the-lancers.py
 create mode 100644 Mine/caesar-cipher-encryptor.py
 create mode 100644 Mine/morse-encoder.py
 create mode 100644 Mine/skew-symmetric-matrix.py
 create mode 100644 Polygon/create-intervals-iterator-version.py
 create mode 100644 Polygon/flatten-a-list-iterator-version.py
 create mode 100644 Polygon/most-wanted-letter-2.py
 create mode 100644 PyconTW/matrix-transpose.py
 create mode 100644 PyconTW/simple_hashlib.py
 create mode 100644 PyconTW/weekend-counter.py

diff --git a/Incinerator/rotate-hole.py b/Incinerator/rotate-hole.py
new file mode 100644
index 0000000..a85668e
--- /dev/null
+++ b/Incinerator/rotate-hole.py
@@ -0,0 +1,26 @@
+def rotate(state, pipe_numbers):
+    count = []
+    for i in range(len(state)):
+        last = state.pop()
+        state.insert(0, last)
+        is_good = True
+        for j in pipe_numbers:
+            if state[j] != 1:
+                is_good = False
+                break
+        if is_good:
+            if i+1 >= len(state):
+                count.append(0)
+            else:
+                count.append(i+1)
+    count.sort()
+    print(count)
+    return count
+
+
+if __name__ == '__main__':
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+    assert rotate([1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1], [0, 1]) == [1, 8], "Example"
+    assert rotate([1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1], [0, 1, 2]) == [], "Mission impossible"
+    assert rotate([1, 0, 0, 0, 1, 1, 0, 1], [0, 4, 5]) == [0], "Don't touch it"
+    assert rotate([1, 0, 0, 0, 1, 1, 0, 1], [5, 4, 5]) == [0, 5], "Two cannonballs in the same pipe"
diff --git a/Incinerator/the-lancers.py b/Incinerator/the-lancers.py
new file mode 100644
index 0000000..c52b722
--- /dev/null
+++ b/Incinerator/the-lancers.py
@@ -0,0 +1,161 @@
+# Taken from mission The Vampires
+# Taken from mission The Defenders
+# Taken from mission Army Battles
+# Taken from mission The Warriors
+
+
+class Warrior:
+    def __init__(self):
+        self.health = 50
+        self.attack = 5
+        self.is_alive = True
+        self.defense = 0
+        self.vampirism = 0
+
+    def hit(self, other_unit) -> bool:
+        hit_points = self.attack - other_unit.defense
+        hit_points = hit_points if hit_points > 0 else 0
+        other_unit.health -= hit_points
+        other_unit.is_alive = other_unit.health > 0
+
+        self.health += (hit_points * self.vampirism)
+        return other_unit.is_alive
+
+
+class Knight(Warrior):
+    def __init__(self):
+        super().__init__()
+        self.attack = 7
+
+
+class Defender(Warrior):
+    def __init__(self):
+        super().__init__()
+        self.health = 60
+        self.attack = 3
+        self.defense = 2
+
+
+class Vampire(Warrior):
+    def __init__(self):
+        super().__init__()
+        self.health = 40
+        self.attack = 4
+        self.vampirism = 0.5
+
+
+class Rookie(Warrior):
+    def __init__(self, *args, **kwargs):
+        super().__init__()
+        self.health = 50
+        self.attack = 1
+
+
+class Lancer(Warrior):
+    def __init__(self):
+        super().__init__()
+        self.attack = 6
+
+
+def fight(unit_1, unit_2):
+    while unit_1.is_alive and unit_2.is_alive:
+        if not unit_1.hit(unit_2):
+            return True
+        if not unit_2.hit(unit_1):
+            return False
+
+
+class Army:
+    def __init__(self):
+        self.units = []
+
+    def add_units(self, unit_type, quantity):
+        for i in range(quantity):
+            self.units.append(unit_type())
+
+
+class Battle:
+    @staticmethod
+    def fight(army_1: Army, army_2: Army) -> bool:
+        while len(army_1.units) > 0 and len(army_2.units) > 0:
+            current_unit_1 = army_1.units[0]
+            current_unit_2 = army_2.units[0]
+            while current_unit_1.is_alive and current_unit_2.is_alive:
+                current_unit_1_attack = current_unit_1.hit(current_unit_2)
+                if isinstance(current_unit_1, Lancer) and len(army_2.units) > 1:
+                    army_2.units[1].health -= current_unit_1.attack * 0.5
+                if not current_unit_1_attack:
+                    army_2.units.pop(0)
+                    break
+                current_unit_2_attack = current_unit_2.hit(current_unit_1)
+                if isinstance(current_unit_2, Lancer) and len(army_1.units) > 1:
+                    army_1.units[1].health -= current_unit_2.attack * 0.5
+                if not current_unit_2_attack:
+                    army_1.units.pop(0)
+                    break
+        return len(army_1.units) > 0
+
+
+if __name__ == '__main__':
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+
+    # fight tests
+    chuck = Warrior()
+    bruce = Warrior()
+    carl = Knight()
+    dave = Warrior()
+    mark = Warrior()
+    bob = Defender()
+    mike = Knight()
+    rog = Warrior()
+    lancelot = Defender()
+    eric = Vampire()
+    adam = Vampire()
+    richard = Defender()
+    ogre = Warrior()
+    freelancer = Lancer()
+    vampire = Vampire()
+
+    assert fight(chuck, bruce) == True
+    assert fight(dave, carl) == False
+    assert chuck.is_alive == True
+    assert bruce.is_alive == False
+    assert carl.is_alive == True
+    assert dave.is_alive == False
+    assert fight(carl, mark) == False
+    assert carl.is_alive == False
+    assert fight(bob, mike) == False
+    assert fight(lancelot, rog) == True
+    assert fight(eric, richard) == False
+    assert fight(ogre, adam) == True
+    assert fight(freelancer, vampire) == True
+    assert freelancer.is_alive == True
+
+    # battle tests
+    my_army = Army()
+    my_army.add_units(Defender, 2)
+    my_army.add_units(Vampire, 2)
+    my_army.add_units(Lancer, 4)
+    my_army.add_units(Warrior, 1)
+
+    enemy_army = Army()
+    enemy_army.add_units(Warrior, 2)
+    enemy_army.add_units(Lancer, 2)
+    enemy_army.add_units(Defender, 2)
+    enemy_army.add_units(Vampire, 3)
+
+    army_3 = Army()
+    army_3.add_units(Warrior, 1)
+    army_3.add_units(Lancer, 1)
+    army_3.add_units(Defender, 2)
+
+    army_4 = Army()
+    army_4.add_units(Vampire, 3)
+    army_4.add_units(Warrior, 1)
+    army_4.add_units(Lancer, 2)
+
+    battle = Battle()
+
+    assert battle.fight(my_army, enemy_army) == True
+    assert battle.fight(army_3, army_4) == False
+    print("Coding complete? Let's try tests!")
diff --git a/Mine/caesar-cipher-encryptor.py b/Mine/caesar-cipher-encryptor.py
new file mode 100644
index 0000000..52f08d1
--- /dev/null
+++ b/Mine/caesar-cipher-encryptor.py
@@ -0,0 +1,30 @@
+import string
+
+
+def to_encrypt(text, delta):
+    alphabet = list(string.ascii_lowercase)
+    new_text = []
+    for letter in text:
+        if letter.isalpha():
+            letter_index = alphabet.index(letter) + delta
+            if letter_index > len(alphabet):
+                letter_index = letter_index - len(alphabet)
+            if letter_index < 0:
+                letter_index = len(alphabet) + letter_index
+            new_text.append(alphabet[letter_index])
+        else:
+            new_text.append(letter)
+    return "".join(new_text)
+
+
+if __name__ == '__main__':
+    print("Example:")
+    print(to_encrypt('abc', 10))
+
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+    assert to_encrypt("a b c", 3) == "d e f"
+    assert to_encrypt("a b c", -3) == "x y z"
+    assert to_encrypt("simple text", 16) == "iycfbu junj"
+    assert to_encrypt("important text", 10) == "swzybdkxd dohd"
+    assert to_encrypt("state secret", -13) == "fgngr frperg"
+    print("Coding complete? Click 'Check' to earn cool rewards!")
diff --git a/Mine/morse-encoder.py b/Mine/morse-encoder.py
new file mode 100644
index 0000000..7cea35c
--- /dev/null
+++ b/Mine/morse-encoder.py
@@ -0,0 +1,28 @@
+MORSE = {'a': '.-', 'b': '-...', 'c': '-.-.',
+         'd': '-..', 'e': '.', 'f': '..-.',
+         'g': '--.', 'h': '....', 'i': '..',
+         'j': '.---', 'k': '-.-', 'l': '.-..',
+         'm': '--', 'n': '-.', 'o': '---',
+         'p': '.--.', 'q': '--.-', 'r': '.-.',
+         's': '...', 't': '-', 'u': '..-',
+         'v': '...-', 'w': '.--', 'x': '-..-',
+         'y': '-.--', 'z': '--..', '0': '-----',
+         '1': '.----', '2': '..---', '3': '...--',
+         '4': '....-', '5': '.....', '6': '-....',
+         '7': '--...', '8': '---..', '9': '----.'
+         }
+
+
+def morse_encoder(text):
+    return " ".join([MORSE[letter] if letter in MORSE.keys() else " " for letter in text.lower()])
+
+
+if __name__ == '__main__':
+    print("Example:")
+    print(morse_encoder('some text'))
+    '... --- -- .   - . -..- -'
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+    assert morse_encoder("some text") == "... --- -- .   - . -..- -"
+    assert morse_encoder("2018") == "..--- ----- .---- ---.."
+    assert morse_encoder("It was a good day") == ".. -   .-- .- ...   .-   --. --- --- -..   -.. .- -.--"
+    print("Coding complete? Click 'Check' to earn cool rewards!")
diff --git a/Mine/skew-symmetric-matrix.py b/Mine/skew-symmetric-matrix.py
new file mode 100644
index 0000000..bdbbbae
--- /dev/null
+++ b/Mine/skew-symmetric-matrix.py
@@ -0,0 +1,28 @@
+def checkio(matr):
+    clone = zip(*matr)
+    modifiedClone = []
+    for row in clone:
+        modifiedClone.append(list(map(mult, row)))
+
+    for i, row in enumerate(matr):
+        for j, cell in enumerate(matr[i]):
+            if cell != modifiedClone[i][j]:
+                return False
+    return True
+
+
+def mult(e):
+    return -1 * e
+
+
+if __name__ == '__main__':
+    assert checkio([[0, 1, 2],
+                    [-1, 0, 1],
+                    [-2, -1, 0]]) == True, 'First'
+    assert checkio([[0, 1, 2],
+                    [-1, 1, 1],
+                    [-2, -1, 0]]) == False, 'Second'
+    assert checkio([[0, 1, 2],
+                    [-1, 0, 1],
+                    [-3, -1, 0]]) == False, 'Third'
+    print('All ok')
diff --git a/Polygon/create-intervals-iterator-version.py b/Polygon/create-intervals-iterator-version.py
new file mode 100644
index 0000000..9165c07
--- /dev/null
+++ b/Polygon/create-intervals-iterator-version.py
@@ -0,0 +1,34 @@
+def create_intervals(data):
+    """
+        Create a list of intervals out of set of ints.
+    """
+    results = []
+    data = sorted(data)
+    start = None
+    current_number = None
+    for number in data:
+        if start is None:
+            start = number
+            current_number = start
+            continue
+        if number != start and number != (current_number + 1):
+            results.append((start, current_number))
+            start = number
+        current_number = number
+    if start is not None:
+        results.append((start, current_number))
+    return iter(results)
+
+
+if __name__ == '__main__':
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+    res = create_intervals(iter(sorted(list({1, 2, 3, 4, 5, 7, 8, 12}))))
+    assert hasattr(res, '__iter__'), "your function should return the iterator object"
+    assert hasattr(res, '__next__'), "your function should return the iterator object"
+
+    assert list(create_intervals(iter(sorted(list({1, 2, 3, 4, 5, 7, 8, 12}))))) == [
+        (1, 5), (7, 8), (12, 12)], "First"
+    assert list(create_intervals(iter(sorted(list({1, 2, 3, 6, 7, 8, 4, 5}))))) == [
+        (1, 8)], "Second"
+    assert list(create_intervals(iter([]))) == [], "Empty"
+    print('Almost done! The only thing left to do is to Check it!')
diff --git a/Polygon/flatten-a-list-iterator-version.py b/Polygon/flatten-a-list-iterator-version.py
new file mode 100644
index 0000000..a97c465
--- /dev/null
+++ b/Polygon/flatten-a-list-iterator-version.py
@@ -0,0 +1,25 @@
+def flat_list(array):
+    return iter(flat_iter(array))
+
+
+def flat_iter(array):
+    new_array = []
+    for i in array:
+        if hasattr(i, '__next__'):
+            new_array += flat_iter(i)
+        else:
+            new_array.append(i)
+    return new_array
+
+
+if __name__ == '__main__':
+    res = flat_list([1, 2, 3])
+    assert hasattr(res, '__iter__'), "your function should return the iterator object"
+    assert hasattr(res, '__next__'), "your function should return the iterator object"
+
+    assert list(flat_list(iter([1, 2, 3]))) == [1, 2, 3], "First"
+    assert list(flat_list(iter([1, iter([2, 2, 2]), 4]))) == [1, 2, 2, 2, 4], "Second"
+    assert list(flat_list(iter([iter([2]), iter([4, iter([5, 6, iter([6]), 6, 6, 6]), 7])]))) == [2, 4, 5, 6, 6, 6, 6,
+                                                                                                  6, 7], "Third"
+    assert list(flat_list(iter([-1, iter([1, iter([-2]), 1]), -1]))) == [-1, 1, -2, 1, -1], "Four"
+    print('Done! Check it')
diff --git a/Polygon/most-wanted-letter-2.py b/Polygon/most-wanted-letter-2.py
new file mode 100644
index 0000000..6d586c6
--- /dev/null
+++ b/Polygon/most-wanted-letter-2.py
@@ -0,0 +1,27 @@
+def most_wanted(text: str) -> str:
+    text = text.lower()
+    letters = []
+    max = 0
+    for letter in text:
+        if letter.isalpha():
+            if letter not in letters:
+                count = text.count(letter)
+                if max == count:
+                    letters.append(letter)
+                if count > max:
+                    letters = [letter]
+                    max = count
+    return letters
+
+
+if __name__ == '__main__':
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+    assert sorted(most_wanted("Hello World!")) == ["l"], "Hello test"
+    assert sorted(most_wanted("How do you do?")) == ["o"], "O is most wanted"
+    assert sorted(most_wanted("One")) == ["e", "n", "o"], "All letter only once."
+    assert sorted(most_wanted("Oops!")) == ["o"], "Don't forget about lower case."
+    assert sorted(most_wanted("AAaooo!!!!")) == ["a", "o"], "Only letters."
+    assert sorted(most_wanted("abe")) == ["a", "b", "e"], "The First."
+    print("Start the long test")
+    assert sorted(most_wanted("a" * 9000 + "b" * 1000)) == ["a"], "Long."
+    print("The local tests are done.")
diff --git a/PyconTW/matrix-transpose.py b/PyconTW/matrix-transpose.py
new file mode 100644
index 0000000..844bea9
--- /dev/null
+++ b/PyconTW/matrix-transpose.py
@@ -0,0 +1,17 @@
+def checkio(matr):
+    """return a transposed matrix"""
+    return map(list, zip(*matr))
+
+
+if __name__ == '__main__':
+    assert checkio([[1, 2],
+                    [1, 2]]) == [[1, 1],
+                                 [2, 2]], 'First'
+    assert checkio([[1, 0, 3, 4, 0],
+                    [2, 0, 4, 5, 6],
+                    [3, 4, 9, 0, 6]]) == [[1, 2, 3],
+                                          [0, 0, 4],
+                                          [3, 4, 9],
+                                          [4, 5, 0],
+                                          [0, 6, 6]], 'Second'
+    print('All ok')
diff --git a/PyconTW/simple_hashlib.py b/PyconTW/simple_hashlib.py
new file mode 100644
index 0000000..28ecdf8
--- /dev/null
+++ b/PyconTW/simple_hashlib.py
@@ -0,0 +1,13 @@
+import hashlib
+
+
+def checkio(hashed_string, algorithm):
+    m = hashlib.new(algorithm)
+    m.update(hashed_string.encode('utf-8'))
+    return m.hexdigest()
+
+
+if __name__ == '__main__':
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+    assert checkio('welcome', 'md5') == '40be4e59b9a2a2b5dffb918c0e86b3d7'
+    assert checkio('happy spam', 'sha224') == '6e9dc3e01d57f1598c2b40ce59fc3527e698c77b15d0840ae96a8b5e'
diff --git a/PyconTW/weekend-counter.py b/PyconTW/weekend-counter.py
new file mode 100644
index 0000000..b2c75da
--- /dev/null
+++ b/PyconTW/weekend-counter.py
@@ -0,0 +1,22 @@
+from datetime import date, timedelta
+
+
+def checkio(from_date: date, to_date: date) -> int:
+    """
+        Count the days of rest
+    """
+    plus_a_day = timedelta(days=1)
+    count = 0
+    while from_date != to_date:
+        if from_date.weekday() == 5 or from_date.weekday() == 6:
+            count += 1
+        from_date += plus_a_day
+    count += 1 if to_date.weekday() == 5 or to_date.weekday() == 6 else 0
+    return count
+
+
+# These "asserts" using only for self-checking and not necessary for auto-testing
+if __name__ == '__main__':
+    assert checkio(date(2013, 9, 18), date(2013, 9, 23)) == 2, "1st example"
+    assert checkio(date(2013, 1, 1), date(2013, 2, 1)) == 8, "2nd example"
+    assert checkio(date(2013, 2, 2), date(2013, 2, 3)) == 2, "3rd example"