T-Bharath

fname = input("Enter file name: ")
if len(fname) < 1 : fname = "mbox-short.txt"

fh = open(fname)
count = 0
for line in fh:
    x=line.rstrip().split()
    if 'From' in x:
        print(x[1])
        count+=1

MichelleDalalJian

import re

hand = open("regex_sum_24962.txt")
x=list()
for line in hand:
     y = re.findall('[0-9]+',line)
     x = x+y

sum=0
for z in x:

MichelleDalalJian

fname = input("Enter file:")
if len(fname) < 1 : name = "mbox-short.txt"
hand = open(fname)

lst = list()

for line in hand:
    if not line.startswith("From:"): continue
    line = line.split()
    lst.append(line[1])

zcakzwa

name = raw_input("Enter file:")
if len(name) < 1 : name = "mbox-short.txt"
handle = open(name)
d=dict()
for line in handle:
    if not line.startswith("From "): 
        continue
    else:    
        line=line.split()
        line=line[5]

tombrad

fname = raw_input("Enter file name: ")
fh = open(fname)
lst = list()                       # list for the desired output
for line in fh:                    # to read every line of file romeo.txt
    word= line.rstrip().split()    # to eliminate the unwanted blanks and turn the line into a list of words
    for element in word:           # check every element in word    
        if element in lst:         # if element is repeated
            continue               # do nothing
        else :                     # else if element is not in the list
            lst.append(element)    # append