some small fixes

CTFs/WARGAMES/krypton/freq_count.py

@@ -0,0 +1,27 @@
+#!/bin/python
+
+import string
+import sys
+import operator
+
+def find_frequency(msg):
+    dict_freq = dict([(c, 0) for c in string.lowercase])
+    total_letters = 0.0
+    for c in msg.lower():
+        if 'a'<= c <= 'z':
+            dict_freq[c] += 1
+            total_letters += 1
+    list_freq = sorted(dict_freq.items(), key=operator.itemgetter(1))
+    return list_freq
+
+
+
+def main(filename):
+    with open(filename, 'r') as f:
+       cipher = f.readlines()
+       cipher = cipher[0].strip()
+       print(find_frequency(cipher))
+
+
+if __name__ == "__main__":
+	main(str(sys.argv[1]))