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Groups > comp.lang.python > #41605

Re: Lists and Decimal numbers

From Peter Otten <__peter__@web.de>
Subject Re: Lists and Decimal numbers
Date 2013-03-20 16:52 +0100
Organization None
References <9d8e4386-e6f5-4303-8a6a-be2a16e45ce7@googlegroups.com>
Newsgroups comp.lang.python
Message-ID <mailman.3567.1363794723.2939.python-list@python.org> (permalink)

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Ana Dionísio wrote:

> So, I have this script that puts in a list every minute in 24 hours
> 
> hour=[]
> i=0
> t=-(1.0/60.0)
> while i<24*60:
>     i = i+1
>     t = t+(1.0/60.0)
>     hour.append([t])

In many cases you can write

for i in range(...):
   ...

instead of incrementing manually.
 
> When it is doing the cicle it can have all the decimal numbers, but I need
> to print the result with only 4 decimal numbers
> 
> How can I define the number of decimal numbers I want to print in this
> case? For example with 4 decimal numbers, it would print:
> 
> 0.0000
> 0.0167
> 0.0333
> ...
> 
> Can you help?


>>> for i in range(24*60):
...     print "{:.4f}".format(i/60.0)
... 
0.0000
0.0167
0.0333
0.0500
[...]
23.9500
23.9667
23.9833
>>> 

See also

<http://docs.python.org/2/library/string.html#format-specification-mini-language>

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Thread

Lists and Decimal numbers Ana Dionísio <anadionisio257@gmail.com> - 2013-03-20 08:27 -0700
  Re: Lists and Decimal numbers Wanderer <wanderer@dialup4less.com> - 2013-03-20 08:48 -0700
  Re: Lists and Decimal numbers Peter Otten <__peter__@web.de> - 2013-03-20 16:52 +0100
    Re: Lists and Decimal numbers Alister <alister.ware@ntlworld.com> - 2013-03-20 19:20 +0000
      Re: Lists and Decimal numbers Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-03-20 19:53 +0000
      Re: Lists and Decimal numbers Grant Edwards <invalid@invalid.invalid> - 2013-03-20 20:00 +0000
        Re: Lists and Decimal numbers Alister <alister.ware@ntlworld.com> - 2013-03-20 20:47 +0000

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