Add reading input file

main.py

@@ -0,0 +1,17 @@
+import csv
+import sys
+import lzma
+
+
+def main(fname):
+    print(fname)
+    with lzma.open(fname, mode="rt", encoding="utf-8") as tsvfile:
+        reader = csv.reader(tsvfile, delimiter='\t', quoting=csv.QUOTE_NONE)
+        for item in reader:
+            pass
+
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        raise Exception("Input file not provided")
+    main(sys.argv[1])