[Tutor] python help!
D.V.N.Sarma డి.వి.ఎన్.శర్మ
dvnsarma at gmail.com
Sun Feb 10 02:47:24 CET 2013
Remove also 'continue' statement under the 'if denary2 not in
range(0,256)' clause.
On Sun, Feb 10, 2013 at 7:06 AM, D.V.N.Sarma డి.వి.ఎన్.శర్మ <
dvnsarma at gmail.com> wrote:
> I have altered the program to run on Python 2.7.3
> Perhaps it will run on Python 3 with small/or no alterations.
>
> def show_menu():
> print("=======================")
> print("1-binary to denary")
> print("2-denary to binary")
> print("3-exit")
> print("=======================")
>
>
> while True:
> show_menu()
>
> choice = raw_input("please enter an option: ")
>
> if choice == '1':
> binary = raw_input("Please enter a binary number: ")
> denary = 0
> place_value = 1
>
> for i in binary [::-1]:
> denary += place_value * int(i)
> place_value *= 2
>
> print("The result is",denary)
>
>
> elif choice == '2':
> denary2 = int(raw_input("Please enter a denary number: "))
> remainder = ''
> if denary2 not in range(0,256):
> denary2 = int(input("Please enter a denary number: "))
> continue
> while denary2 > 0:
> remainder = str(denary2 % 2) + remainder
> denary2 /= 2
> print("The result is",remainder)
>
>
>
>
> elif choice == '3': break
>
>
> elif choice == '1' or choice == '2' or choice == '3':
> print("Invalid input-try again!")
>
>
>
> On Sun, Feb 10, 2013 at 12:50 AM, Peter Otten <__peter__ at web.de> wrote:
>
>> Ghadir Ghasemi wrote:
>>
>> > Hi guys can you tell me what is wrong with the second part of this
>> > code(elif choice == '2'). When I type something other than 0-255, it
>> > correctly asks again for an input but when I enter a number from 0-255
>> it
>> > does nothing :
>>
>> It doesn't do nothing, it keeps running the while loop. Add a print() call
>>
>> > elif choice == '2':
>> > denary2 = int(input("Please enter a denary number: "))
>> > remainder = ''
>> > while denary2 not in range(0,256):
>> > denary2 = int(input("Please enter a denary number: "))
>> > continue
>> > while denary2 in range(0,256):
>>
>> print("XXX denary2 =", denary2)
>>
>> > remainder = str(denary2 % 2) + remainder
>> > denary2 >>= 1
>> > print("The result is",remainder)
>>
>> to see what's happening.
>>
>>
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>
>
>
> --
> regards,
> Sarma.
>
--
regards,
Sarma.
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