How can you copy (clone) a string?

[Max Møller Rasmussen]

That'll teach me never to mail untested code again....

Why then:

a = 'string1'
b = a[:]
b = b[:-1]

print a
>>string1
print b
>>string
print a
>>string1

Doesn't it make a copy when doing the slice??? Or is it first when the
string is changed that it does the actual copying???

-----Original Message-----
From: Fredrik Lundh [mailto:effbot at telia.com]
Sent: Tuesday, October 03, 2000 4:24 PM
To: python-list at python.org
Subject: Re: How can you copy (clone) a string? 


Max Møller Rasmussen wrote:
> Just use slice:
>
> a = 'a'
> b = a[:]

>>> a = 'a'
>>> b = a[:]
>>> id(a)
7834944
>>> id(b)
7834944
>>> a is b
1

</F>

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