Cleanup

01_frequencies.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 import sys
-changes = [int(line) for line in sys.stdin]
+changes = list(map(int, sys.stdin))
 
 print(sum(changes))
 

04_guards.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
-import sys, re
+import sys
+import re
 
 patterns = {}
 for line in sorted(sys.stdin):

10_stars.py

@@ -17,9 +17,9 @@ while h < prevh:
 for i in range(len(x)):
     x[i] -= dx[i]
     y[i] -= dy[i]
+points = set(zip(x, y))
 
 print('message after', t, 'seconds:')
-points = set(zip(x, y))
 for py in range(min(y), max(y) + 1):
     print(''.join('#' if (px, py) in points else '.'
           for px in range(min(x), max(x) + 1)))