CODEWITHSUNDEEP
pythonpython-3.x
Dan
Dan

Reputation: 57

How to test for no input in Python 3.3.0

Currently, I'm working on a Python program that returns the word that occurs most times in however many lines of input, with the last line being the string "###".

poetry  = []
max = 0
maxitem = None
while True:
 poetry.append(input().lower().split())
for x in poetry:
    count =  poetry.count(x)
if count > max:
    max = count
    maxitem = x
    print(maxitem)

Now, the main problem I have is the EOF error I get in the body of the while loop. As far as I can tell, the reason behind this is that it continually calls for a new line of input, but it gets none. I do not know how to rectify this. Any help with the rest of the program would be appreciated as well.

Upvotes: 0

Views: 621

Answers (2)

Andrew Clark
Andrew Clark

Reputation: 208455

Using sys.stdin as suggested by Martijn Pieters is the way to go here, but for completeness here is how you could continue to use input(). You just need to catch the EOFError exception and exit the loop:

while True:
    try:
        poetry.append(input().lower().split())
    except EOFError:
        break

Upvotes: 2

Martijn Pieters
Martijn Pieters

Reputation: 1121634

Don't use input() to read data, use sys.stdin instead:

for line is sys.stdin:
    poetry.append(line.lower().split())

This will read lines from the stdin file handle until closed, without throwing EOF exceptions. The loop body won't execute at all if stdin starts closed.

Upvotes: 4

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