2025(03): make code a bit better

And clean up part 2 of day 2, add testinput for day 1.

2025/02/part2.py

@@ -1,24 +1,16 @@
 def is_invalid_id(num):
-	# print("Testing", num)
 	num_str = str(num)
 	num_len = len(num_str)
 	for period in range(1, num_len):
-		# print("period =", period)
-		# Period should be a factor of num_len
 		if num_len % period != 0:
 			continue
 
 		# Start with True, make False when it fails
 		palin = True
 		for idx in range(period, num_len, period):
-			# print("idx =", idx)
-			# print(num_str[:period], "=?=", num_str[idx:idx + period])
 			if num_str[:period] != num_str[idx:idx + period]:
-				# print(False)
 				palin = False
-				# print(False)
 		if palin:
-			# print("Returning palin")
 			return True
 	
 	# No period has yielded repetition:
@@ -43,22 +35,5 @@ if __name__ == "__main__":
 					print(num, "is a palindrome thing")
 					illegal_counter += 1
 					illegal_sum += num
-				# num_str = str(num)
-				# num_len = len(num_str)
-				# palin = False
-				# # Look at the different options for lengths
-				# for partlen in range(2, num_len + 1):
-				# 	# Only continue if it's a factor
-				# 	if num_len % partlen != 0:
-				# 		continue
-				# 	for idx in range(partlen, num_len, partlen): 
-				# 		if num_str[:partlen] == num_str[idx:idx + partlen]:
-				# 			continue
-				# 		palin = True
-				# 		break
-				# if palin:
-				# 	print(num_str, "is a palindrome thing")
-				# 	illegal_counter += 1
-				# 	illegal_sum += num
 
 		print(illegal_counter, illegal_sum)