diff --git a/.gitignore b/.gitignore
index f65f411..98c9279 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 *
-!**/*.py
\ No newline at end of file
+!**/**/
+!**/**/*.py
+*_test.py
+**/**/__pycache
\ No newline at end of file
diff --git a/python/armstrong-numbers/armstrong_numbers.py b/python/armstrong-numbers/armstrong_numbers.py
new file mode 100644
index 0000000..6094c92
--- /dev/null
+++ b/python/armstrong-numbers/armstrong_numbers.py
@@ -0,0 +1,2 @@
+def is_armstrong_number(number):
+    return sum([int(digit) ** len(str(number)) for digit in str(number)]) == number
diff --git a/python/hamming/hamming.py b/python/hamming/hamming.py
new file mode 100644
index 0000000..7907685
--- /dev/null
+++ b/python/hamming/hamming.py
@@ -0,0 +1,4 @@
+def distance(strand_a, strand_b):
+    if len(strand_a) != len(strand_b):
+        raise ValueError(f'strand_a (length {len(strand_a)}) has a different length from strand_b (length {len(strand_b)}), hamming distance cannot be computed.')
+    return len(strand_a) - len([char for index, char in enumerate(strand_a) if char == strand_b[index]])
\ No newline at end of file
diff --git a/python/hello-world/hello_world.py b/python/hello-world/hello_world.py
new file mode 100644
index 0000000..dea05ae
--- /dev/null
+++ b/python/hello-world/hello_world.py
@@ -0,0 +1,2 @@
+def hello():
+    return "Hello, World!"
diff --git a/python/high-scores/high_scores.py b/python/high-scores/high_scores.py
new file mode 100644
index 0000000..3a5179d
--- /dev/null
+++ b/python/high-scores/high_scores.py
@@ -0,0 +1,10 @@
+def latest(scores):
+    return scores[-1]
+
+
+def personal_best(scores):
+    return max(scores)
+
+
+def personal_top_three(scores):
+    return sorted(scores, reverse=True)[:3]
\ No newline at end of file
diff --git a/python/isogram/isogram.py b/python/isogram/isogram.py
new file mode 100644
index 0000000..c336281
--- /dev/null
+++ b/python/isogram/isogram.py
@@ -0,0 +1,2 @@
+def is_isogram(string):
+    return len(list(set(string))) == len(string)
diff --git a/python/leap/leap.py b/python/leap/leap.py
new file mode 100644
index 0000000..38c3674
--- /dev/null
+++ b/python/leap/leap.py
@@ -0,0 +1,2 @@
+def leap_year(year):
+    return (year % 100 == 0 and year % 400 == 0) or (year % 100 != 0 and year % 4 == 0)
\ No newline at end of file
diff --git a/python/matrix/matrix.py b/python/matrix/matrix.py
new file mode 100644
index 0000000..8946dd3
--- /dev/null
+++ b/python/matrix/matrix.py
@@ -0,0 +1,11 @@
+class Matrix(object):
+    def __init__(self, matrix_string):
+        self.matrix_string = matrix_string
+        self.rows = [list(map(int, row.split(' '))) for row in self.matrix_string.split('\n')]
+        self.columns = [list(column) for column in zip(*(row for row in self.rows))]
+
+    def row(self, index):
+        return self.rows[index - 1]
+
+    def column(self, index):
+        return self.columns[index - 1]
\ No newline at end of file
diff --git a/python/pangram/pangram.py b/python/pangram/pangram.py
new file mode 100644
index 0000000..c61bc3f
--- /dev/null
+++ b/python/pangram/pangram.py
@@ -0,0 +1,6 @@
+import string
+charset = string.ascii_lowercase
+
+def is_pangram(sentence):
+    dictionary = {char : True if char in sentence.lower() else False for char in charset}
+    return all(dictionary.values())
diff --git a/python/protein-translation/protein_translation.py b/python/protein-translation/protein_translation.py
new file mode 100644
index 0000000..c1ebff6
--- /dev/null
+++ b/python/protein-translation/protein_translation.py
@@ -0,0 +1,19 @@
+from itertools import takewhile
+
+# Processing of data into a dictionary from a list taken from the site.
+# I would have preferred being able to process the data from a module, or maybe a text file,
+# but that's a whole lot of effort for something as simple as this.
+data = [['AUG', 'Methionine'],
+        ['UUU', 'UUC',	'Phenylalanine'],
+        ['UUA', 'UUG',	'Leucine'],
+        ['UCU', 'UCC', 'UCA', 'UCG', 'Serine'],
+        ['UAU', 'UAC',	'Tyrosine'],
+        ['UGU', 'UGC',	'Cysteine'],
+        ['UGG', 'Tryptophan'],
+        ['UAA', 'UAG', 'UGA', 'STOP']]
+protein_definitions = {codon : definition for definition, codons in [(subarray[-1], subarray[:-1]) for subarray in data] for codon in codons }
+
+def proteins(strand):
+    strand = [strand[index * 3:(index * 3)+3] for index, char in enumerate(strand[::3])]
+    strand = takewhile(lambda x : x != 'STOP', (protein_definitions[codon] for codon in strand))
+    return list(strand)
\ No newline at end of file
diff --git a/python/raindrops/raindrops.py b/python/raindrops/raindrops.py
new file mode 100644
index 0000000..d27276d
--- /dev/null
+++ b/python/raindrops/raindrops.py
@@ -0,0 +1,2 @@
+def convert(n):
+    return ''.join(['Pling' if n % 3 == 0 else '', 'Plang' if n % 5 == 0 else '', 'Plong' if n % 7 == 0 else '']) or str(n)
diff --git a/python/reverse-string/reverse_string.py b/python/reverse-string/reverse_string.py
new file mode 100644
index 0000000..0f0a63f
--- /dev/null
+++ b/python/reverse-string/reverse_string.py
@@ -0,0 +1,2 @@
+def reverse(text):
+    return text[::-1]
diff --git a/python/robot-name/robot_name.py b/python/robot-name/robot_name.py
new file mode 100644
index 0000000..1fb3764
--- /dev/null
+++ b/python/robot-name/robot_name.py
@@ -0,0 +1,17 @@
+from random import choices
+from string import ascii_uppercase
+from itertools import product
+from random import shuffle
+
+nums = (str(x).zfill(3) for x in range(1000))
+front = (''.join(fr) for fr in product(ascii_uppercase, ascii_uppercase))
+names = [l + n for l, n in product(front, nums)]
+shuffle(names)
+name_iter = iter(names)
+
+class Robot(object):
+    def __init__(self):
+        self.reset()
+
+    def reset(self):
+        self.name = next(name_iter)
\ No newline at end of file
diff --git a/python/series/series.py b/python/series/series.py
new file mode 100644
index 0000000..450e7e3
--- /dev/null
+++ b/python/series/series.py
@@ -0,0 +1,5 @@
+from itertools import takewhile
+def slices(series, length):
+    if length > len(series) or length <= 0:
+        raise ValueError('[length] parameter cannot be {}.'.format('longer than [series]' if length > len(series) else 'shorter than zero'))
+    return list(takewhile(lambda x : len(x) == length, (series[index:index+length] for index in range(len(series)))))
\ No newline at end of file
diff --git a/python/two-fer/two_fer.py b/python/two-fer/two_fer.py
new file mode 100644
index 0000000..425d236
--- /dev/null
+++ b/python/two-fer/two_fer.py
@@ -0,0 +1,2 @@
+def two_fer(name='you'):
+    return f'One for {name}, one for me.'