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rosalind solutions/Constructing a De Bruijn Graph/debruijngraphv2.py

+def debruijn(patterns):
+    result = {}
+    for i in patterns:
+        if i[:-1] not in result.keys():
+            result[i[:-1]] = i[1:]
+        else:
+            result[i[:-1]] += ','+ i[1:]
+    return result
+
+if __name__ == '__main__':
+    with open('rosalind_dbru.txt', 'r') as f:
+        p = [line.strip() for line in f.readlines()]
+    res = debruijn(p)
+    for i in sorted(res.keys()):
+        print(i+' -> '+res[i])