Defining multiple variables in python via enumeration

Question

I want to create a python script which does various things with 6 inputs the user gives.

Short of typing,

x1=input("Enter data1")

...

x6=input("Enter data6")

is there anyway to define these variables via some sort of index? I don't know what the code would be, but it would have the effect of the following:

Let i range from 1 to 6. Let x_i=input("Enter Data_i")

Kasravnd · Accepted Answer · 2015-07-29 18:21:46Z

2

As a pythonic way you can use a dictionary for such tasks :

d={}
for i in range(1,7):
   d['x_{}'.format(i)]=input("Enter data{}  :".format(i))

Then you can get the relative values of a variable using a simple indexing.

Also you can use collections.OrderedDict to preserve the order :

>>> from collections import OrderedDict
>>> d=OrderedDict()
>>> for i in range(1,7):
...    d['x_{}'.format(i)]=input("Enter data{}  :".format(i))
... 
Enter data1  :12
Enter data2  :13
Enter data3  :14
Enter data4  :15
Enter data5  :16
Enter data6  :17
>>> 
>>> d
OrderedDict([('x_1', '12'), ('x_2', '13'), ('x_3', '14'), ('x_4', '15'), ('x_5', '16'), ('x_6', '17')])
>>> 
>>> d['x_3']
'14'

edited Jul 29, 2015 at 18:21

answered Jul 29, 2015 at 18:15

Kasravnd

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1 Comment

Lammey Over a year ago

As may be obvious, I'm new to python, but I'm left wondering why simply writing "for i in range (1,7):" and then on a new indented line "x_i=input("Enter data_i :")" doesn't work. It gets a syntax error when I run it.

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