✨ Finishing 11 new elements

Mine/caesar-cipher-encryptor.py

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+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!")

Mine/morse-encoder.py

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+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!")

Mine/skew-symmetric-matrix.py

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+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')