2022 begins.

2021/15/main.py

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+class Point:
+    shortest_path = []
+
+data = []
+for line in open('example_data', 'r'):
+    data_row = []
+    for ch in line.strip():
+        data_row.append(ch)
+    data.append(data_row)
+
+for row in data:
+    print(row)