7.1 Write a program that prompts for a file name, then opens that file and reads through the file, and print the contents of the file in upper case. Use the file words.txt to produce the output below. You can download the sample data at http://www.py4e.com/code3/words.txt

py4e_ex_07_01

# Use words.txt as the file name
input("Enter File Name")

fhand = open ("words.txt")
for line in fhand:
    line = line.rstrip()
    line = line.upper()
    print(line)

fname = input("Enter file name: ")
try:
 fh = open(fname,'r')
except:
 print('Invalid file name')
 quit()
for line in fh:
    fh = line.upper()
    print(fh.rstrip())
``