Merge pull request #810 from swastik1308/master

Addition of email extraction program

Author: geekcomputers

email id dictionary/README.md

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+Write a program to read through the mbox-short.txt and figure out who has sent the greatest number of mail messages. The program looks for 'From ' lines and takes the second word of those lines as the person who sent the mail. The program creates a Python dictionary that maps the sender's mail address to a count of the number of times they appear in the file. After the dictionary is produced, the program reads through the dictionary using a maximum loop to find the most prolific committer.

email id dictionary/dict1.py

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+counts=dict()
+mails=list()
+fname=input('Enter file name:')
+fh=open(fname)
+for line in fh:
+    if not line.startswith('From'):
+        continue
+    if line.startswith('From:'):
+        continue
+    id=line.split()
+    mail=id[1]
+    mails.append(mail)
+for x in mails:
+    counts[x]=counts.get(x,0)+1
+bigmail=None
+bigvalue=None
+for key,value in counts.items():
+    if bigvalue==None or bigvalue<value:
+        bigmail=key
+        bigvalue=value
+print(bigmail, bigvalue)