Create topThreeFrequent.py

Author: Amogh Singhal

bits_wilp/topThreeFrequent.py

@@ -0,0 +1,21 @@
+filepath = './sample.txt'
+freq_counter = {}
+
+# using context manager
+with open(filepath, mode='r') as handle:
+  content = handle.read()
+  words = content.split()
+  # file is closed now
+  
+for w in words:
+  if w not in freq_counter.keys():
+    freq_counter[w] = 1
+  else:
+    freq_counter[w] += 1
+
+# sorting the sequence by values in `reverse` order
+sorted_by_freq = sorted(freq_counter, key=freq_counter.get, reverse=True)
+
+top_three = sorted_by_freq[:3]
+for k in top_three:
+  print(k, ":", freq_counter[k])