Python For loop Iteran

Question

How can I change value of a variable which iterating over?

for i in range(10,30):
 print('jdvcjhc')
I want to change I value like i do in while loop

i=1`enter code here`
while i<=10
   print('dfhs')

The Shend · Accepted Answer · 2020-03-21 17:45:13Z

1

You can't set conditional statements like (i<=10) in For loops. you just can set the range that "i" can change. Actually, if you need a condition for your loop you need to use While or For and If together.

That's my opinion. Regards, Shend

Edit: if you need to change the steps of adding or subtracting "i" you can use step in range function. ( range(start,stop,step)).

edited Mar 21, 2020 at 17:45

answered Mar 21, 2020 at 17:38

The Shend

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ravellin · Accepted Answer · 2020-03-21 17:46:20Z

0

The range function returns a pre-calculated list of values, created from the input parameters, in this case - (10, 30). Unlike while loop, i here is a 'dummy' variable used as a placeholder for the values read from the list. Within a particular iteration, one can manipulate i as much as they like, but it will inevitably become overwritten with the subsequent list value upon calling the next iteration.

answered Mar 21, 2020 at 17:46

ravellin

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1 Comment

Sudhir Over a year ago

Thanks, do check enumerate(), for i,v in enumerate(a)

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