Python: Assign Flexible Variables That Change Based on Value in Loop

Question

I have a list: test = ['0to50', '51to100', '101to200', '201to10000']

I want to create the following four variables using a for loop:

var_0to50 var_51to100 var_101to200 var_201to10000

I tried the following code:

test = ['0to50', '51to100', '101to200', '201to10000'] for i in test: print (i) var_{i} = 3

But it gives me error:

File "<ipython-input-76-58f6edb37b90>", line 6 var_{i} = 3 ^ SyntaxError: invalid syntax

What am I doing wrong?

You cant make your python script write it self. This is what you try to do here — balderman
– balderman, Commented Mar 3, 2021 at 20:26

balderman · Accepted Answer · 2021-03-03 20:28:49Z

You can have a dict

test = ['0to50', '51to100', '101to200', '201to10000'] d = {x: 3 for x in test} print(d)

output

{'0to50': 3, '51to100': 3, '101to200': 3, '201to10000': 3}

Timur Shtatland · Accepted Answer · 2021-03-03 20:34:52Z

It is likely that you need a dictionary, instead of several dynamically named variables:

test = ['0to50', '51to100', '101to200', '201to10000'] dct = {} for k in test: print(k) dct[k] = 3 print(dct) # 0to50 # 51to100 # 101to200 # 201to10000 # {'0to50': 3, '51to100': 3, '101to200': 3, '201to10000': 3}

SEE ALSO:
How do I create variable variables?
Creating multiple variables

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