most common value in train

solutions/most_common_value_in_train.py

@@ -0,0 +1,10 @@
+import pandas as pd
+
+r_out = pd.read_csv('../train/expected.tsv', names = ('class',))
+most_common = r_out['class'].value_counts().idxmax()
+
+
+for dataset in 'dev-0', 'test-A', 'test-B':
+    with open(f'../{dataset}/out.tsv', 'w') as f_out, open(f'../{dataset}/in.tsv', 'r') as f_in:
+        for line_in in f_in:
+            f_out.write(most_common + '\n')