Simplify new script

2020/new.py

@@ -4,9 +4,11 @@ import os
 from datetime import date
 
 TEMPLATE = """\
+import sys
+
+
 def main():
-    with open("{}", "rt") as f:
-        lines = [line.rstrip() for line in f.readlines()]
+    lines = [line.rstrip() for line in sys.stdin]
 
 
 if __name__ == "__main__":
@@ -15,5 +17,5 @@ if __name__ == "__main__":
 
 day = date.today().day
 with open(f"day{day}.py", "wt") as f:
-    f.write(TEMPLATE.format(f"day{day}.txt"))
+    f.write(TEMPLATE)
 os.system(f"python ../fetch.py {day}")