How to reference variables within an input function?

Question

I know this is incorrect because 'input()' can only take 1 argument, but I want to include these variables in the input while asking the user to enter more numbers:

n = 5
average = 0
for i in range(n):
    numbers = eval(input('Please enter number ', (i+1) ,' of ', n ,' to average:',sep='',end=''))
    average = average+numbers/n

input isn't like print, it takes a single string to show as the prompt. You have to create that string yourself - Python has several options for string formatting you could do some research on. Also you should almost never use eval. — jonrsharpe
– jonrsharpe, Commented Oct 14, 2018 at 21:34

DarkSuniuM · Accepted Answer · 2018-10-14 21:35:59Z

2

You can use string formatting and F-Strings ( only Python 3.6+ )

String Formatting:

n = 5
average = 0
for i in range(n):
    numbers = int(input('Please enter number {} of {} to average:'.format(i+1, n)))
    average = average+numbers/n

F-Strings (Works in Python 3.6+):

n = 5
average = 0
for i in range(n):
    numbers = int(input(f'Please enter number {i+1} of {n} to average:'))
    average = average+numbers/n

answered Oct 14, 2018 at 21:35

DarkSuniuM

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Comments

user7713248 · Accepted Answer · 2018-10-14 21:53:40Z

0

You could try concatenating your variables after converting them to string [str(x)]

n = 5
average = 0
for i in range(n):
    numbers = eval(input('Please enter number '+str(i+1)+' of '+str(n)+' to average:'))
    average = average+numbers/n

This is a naive approach but works fine.

answered Oct 14, 2018 at 21:53

user7713248

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