Create Assignment_7_2.py

Author: aayushchak

Assignment_7_2.py

@@ -0,0 +1,25 @@
+'''Write a program that prompts for a file nam, then opens the file & reads through the file looking
+for lines of the form:
+X-DSPAM-Confidence:  0.8475
+Count these lines & extract the floating point values from each of the lines &
+compute the average of those values & produce an output.
+FILE: mbox-short.txt
+WEB LINK: http://www.py4e.com/code3/mbox-short.txt'''
+
+fname = input('Enter the file name: ')
+x = open(fname)
+avg = 0.0
+count = 1
+tot = 0.0
+for line in x:
+  line = line.rstrip()
+  if line.startswith('X-DSPAM-Confidence:'):
+    count += 1
+    col_pos = line.find(':')
+    val = line[col_pos+1:]
+    val = val.strip()
+    float_val = float(val)
+    tot += float_val
+
+avg = tot/count
+print('Average spam confidence:',avg)