Write a program to read through the mbox-short.txt and figure out who has the 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 a…

9.4.py

count = dict()
for line in open(raw_input("Enter File Name:")):
    words = line.strip().split()
    if len(words) == 0 or len(words) <3:
        continue
    if words[0] == 'From':
        if words[1] not in count:
            count[words[1]] = 1
        else:
            count[words[1]] += 1
max = 0
for key in count:
    if count[key] > max:
        max = count[key]
        maxkey = key
print maxkey,count[maxkey]