moved a function from Functions.py to inference.py

inference.py

 from Graph_gff import Features,load_intersect
-from Functions import get_segment_sequence,convert_strand
+from Functions import get_segment_sequence
 
 target_genome_name="genome2_chr10"
 pos_seg=target_genome_name+".bed"
@@ -9,7 +9,18 @@ intersect_path='intersect.bed'
 load_intersect(intersect_path)
 
 
-
+def convert_strand(strand):
+    match strand:
+        case "+":
+            return ">"
+        case "-":
+            return "<"
+        case ">":
+            return "+"
+        case "<":
+            return "-"
+        case default:
+            return ""
 
 # présent dans Fuctions.py mais relou à importer ?
 def get_segments_sequence_and_paths(gfa): # creates two dict with the sequences of the graph's segments, and the paths