diff --git a/exercises/allergies/allergies.py b/exercises/allergies/allergies.py
index 6caab68bbe..a1ca374525 100644
--- a/exercises/allergies/allergies.py
+++ b/exercises/allergies/allergies.py
@@ -1,9 +1,9 @@
 class Allergies(object):
 
-    def __init__(self, number):
+    def __init__(self, score):
         pass
 
-    def is_allergic_to(self, string):
+    def is_allergic_to(self, allergy):
         pass
 
     @property
diff --git a/exercises/alphametics/alphametics.py b/exercises/alphametics/alphametics.py
index 035cc1e599..ca9a272429 100644
--- a/exercises/alphametics/alphametics.py
+++ b/exercises/alphametics/alphametics.py
@@ -1,2 +1,2 @@
-def solve(string):
+def solve(puzzle):
     pass
diff --git a/exercises/anagram/anagram.py b/exercises/anagram/anagram.py
index 7b6b3aa0a2..97fbaaf3b8 100644
--- a/exercises/anagram/anagram.py
+++ b/exercises/anagram/anagram.py
@@ -1,2 +1,2 @@
-def detect_anagrams(string, array):
+def detect_anagrams(word, candidates):
     pass
diff --git a/exercises/atbash-cipher/atbash_cipher.py b/exercises/atbash-cipher/atbash_cipher.py
index 1a673ebed8..0c5b5e731a 100644
--- a/exercises/atbash-cipher/atbash_cipher.py
+++ b/exercises/atbash-cipher/atbash_cipher.py
@@ -1,6 +1,6 @@
-def encode(string):
+def encode(plain):
     pass
 
 
-def decode(string):
+def decode(ciphered):
     pass
diff --git a/exercises/beer-song/beer_song.py b/exercises/beer-song/beer_song.py
index 3be704214b..16c163574e 100644
--- a/exercises/beer-song/beer_song.py
+++ b/exercises/beer-song/beer_song.py
@@ -2,5 +2,5 @@ def verse(number):
     pass
 
 
-def song(number1, number2=0):
+def song(first, last=0):
     pass
diff --git a/exercises/binary-search/binary_search.py b/exercises/binary-search/binary_search.py
index 6ec933da3d..0c43c0ddd5 100644
--- a/exercises/binary-search/binary_search.py
+++ b/exercises/binary-search/binary_search.py
@@ -1,2 +1,2 @@
-def binary_search(array, number):
+def binary_search(search_list, value):
     pass
diff --git a/exercises/binary/binary.py b/exercises/binary/binary.py
index 49cee19015..c237ddbd36 100644
--- a/exercises/binary/binary.py
+++ b/exercises/binary/binary.py
@@ -1,2 +1,2 @@
-def parse_binary(string):
+def parse_binary(digits):
     pass
diff --git a/exercises/bob/bob.py b/exercises/bob/bob.py
index a2bdda64bb..74065a51e2 100644
--- a/exercises/bob/bob.py
+++ b/exercises/bob/bob.py
@@ -1,2 +1,2 @@
-def hey(string):
+def hey(stimulus):
     pass
diff --git a/exercises/book-store/book_store.py b/exercises/book-store/book_store.py
index 711be23f81..515a30cef8 100644
--- a/exercises/book-store/book_store.py
+++ b/exercises/book-store/book_store.py
@@ -1,2 +1,2 @@
-def calculate_total(array, number=None):
+def calculate_total(books, price_so_far=None):
     pass