I can't figure out why my code is not working. I thought I had the list
copied correctly:
Here is my code:
============
a=[[u'HF', []], [u')F', [u'75']], [u'RE', []], [u'C', []]]
b=a[:]
for index in reversed(range(0,len(a)-1)):
if '75' in b[index][1]:
b[index][1].remove('75')
b[index][1].append('99')
print a,'\n',b
============
but when it finishes, I get
[[u'HF', []], [u')F', ['99']], [u'RE', []], [u'C', []]]
[[u'HF', []], [u')F', ['99']], [u'RE', []], [u'C', []]]
instead of the desired:
[[u'HF', []], [u')F', ['75']], [u'RE', []], [u'C', []]]
[[u'HF', []], [u')F', ['99']], [u'RE', []], [u'C', []]]
why is this?
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