diff --git a/ranges.py b/ranges.py
index 2fa00d7..6b915c9 100644
--- a/ranges.py
+++ b/ranges.py
@@ -9,15 +9,18 @@ def print_all_numbers(maximum):
 
 def print_even_numbers(maximum):
     "Prints all even integers from 0 to maximum."
-    pass
+    for number in range(0, maximum, 2):
+        print(number)
 
 def print_odd_numbers(maximum):
     "Prints all odd integers from 0 to maximum."
-    pass
+    for number in range(1, maximum, 2):
+        print(number)
 
 def print_multiples_of_five(maximum):
     "Prints all integers which are multiples of five from 0 to maximum."
-    pass
+    for number in range(0, maximum, 5):
+        print(number)
 
 chosen_maximum = int(input("Choose a number: "))
 print(f"All numbers from 0 to {chosen_maximum}")
diff --git a/square.py b/square.py
index c57419d..cedcacb 100644
--- a/square.py
+++ b/square.py
@@ -1,8 +1,8 @@
 from turtle import *
 
 def square(side_length):
-    sides=[1, 2, 3, 4]
-    for sides in sides:
+    side=[1, 2, 3, 4]
+    for sides in side:
         forward(side_length)
         right(90)