[Tutor] (no subject)

[Mark Lawrence]

You've already had a sound answer from Dave Angel, I've just a few 
comments below.

On 15/04/2013 01:35, Soliman, Yasmin wrote:
> Hi everyone. I just need to know why this programs tells me End is not defined, what can I o to fix this issue? Thanks in advance.
>
> hrList=[]
> while True:
>      heartrate= float(input('Enter heart rate as beats per min: '))
>      hrList.append(heartrate)
>
>      if heartrate=='End':
>          print '\nThank you for using this program! Bye.'
>          break
>
>      total_sum = 0;

No need for the semicolon.

>      length = len(hrList)
>      for i in range(0, length):
>          total_sum += hrList[i]

For the third time in three days, you rarely need to write a loop like 
this in Python :)

for hr in hrList:
     total_sum += hr

>
>      average = total_sum / length

Part of the learning curve, but the lot could be written as.

average = sum(hrList) / len(hrList)

>
>      print average
>

-- 
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Mark Lawrence