stuff

2-remove_dupe/duplicate.py

@@ -1,2 +1,15 @@
 def remove_duplicate(string):
-  pass
+	last = ''
+	dups = ''
+	new_string = ''
+	for char in string:
+		if last == char:
+			dups += char
+		else:
+			new_string += char
+		last = char
+
+
+	return new_string, dups
+
+print(remove_duplicate("balloons"))

4-sum_of_divisors/wtf.py

@@ -12,3 +12,9 @@ def get_totatives(num):
 
 def totient(num):
 	pass
+
+assert( compute_divisors(60) == [1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60] )
+assert( sum_of_divisors(60) == 168 )
+assert( divisor_count(60) == 12 )
+assert( get_totatives(30) == [1, 7, 11, 13, 17, 19, 23, 29] )
+assert( totient(30) == 8 )

7-word-count/count.py

@@ -1,2 +1,15 @@
 def word_stats(filename, n):
-  pass
+	words = open(filename).read().replace('\n', '').lower().split()
+	words = [''.join(e for e in w if e.isalpha()) for w in words]
+	out = {}
+	for word in words:
+		if word in out.keys():
+			out[word]['count'] += 1
+		else:
+			out[word] = {'count': 0, 'word': word}
+
+	out = sorted(out, key=lambda x:x[0])
+
+	return out
+
+o = word_stats('article.txt', 5)