Sunday, October 30, 2022

[FIXED] How do I terminate an input by ending the file in python 3

Issue

The code I am working on is a simple subtraction work but my problem arises when I need to end the inputs.

The problem tells me that the input is terminated by end of file and I have no idea what that means when the question has any number of inputs.

while(True):
    data=[]
    data= list(map(int,sys.stdin.readline().split()))
    if (data[1]>data[0]):
        total=data[1]-data[0]
    else:
        total=data[0]-data[1]
    print(total)

How do I change this code to allow it to end without the user inputting anything


Solution

As suggested in comments, use loop over sys.stdin. I've also added some other improvements:

for line in sys.stdin:
    data = [int(x) for x in line.split()]
    total = abs(data[1] - data[0])
    print(total)


Answered By - Reputation Farmer
Answer Checked By - Robin (PHPFixing Admin)

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