# exercis1.py
# Exercise 1: Write a program to read through a file
# and print the contents of the file (line by line)
# all in upper case. Executing the program will look
# as follows:

# Enter a file name: mbox-short.txt
# FROM STEPHEN.MARQUARD@UCT.AC.ZA SAT JAN 5 09:14:16 2008
# RETURN-PATH: <POSTMASTER@COLLAB.SAKAIPROJECT.ORG>
# RECEIVED: FROM MURDER (MAIL.UMICH.EDU [141.211.14.90])
# 	BY FRANKENSTEIN.MAIL.UMICH.EDU (CYRUS V2.3.8) WITH LMTPA;
# 	SAT, 05 JAN 2008 09:14:16 -0500

try:
    filename = input("Enter filename: ")

    with open(filename, 'r') as fileobj:
        print(fileobj.read().upper())

except Exception as e:
    print(e)
