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assignment-2b.py

+#!/usr/bin/env python
+import random
+from letters import file2pairs
+import sys
+
+file = sys.argv[1]
+prev_letter = sys.argv[2]
+letters_dict = file2pairs(file)
+prob = letters_dict[prev_letter]
+p_value = prob.values()
+support = 'abcdefghijklmnopqrstuvwxyz '
+answer = random.choices(support,p_value)
+print(answer[0])
+