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reverting a list using slices

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Amin Bandali
2013-11-11 23:17:34 -05:00
parent 5111009611
commit eb8afb2ff2
1 changed files with 3 additions and 0 deletions
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python.html.markdown
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@@ -2,6 +2,7 @@
language: python language: python
contributors: contributors:
- ["Louie Dinh", "http://ldinh.ca"] - ["Louie Dinh", "http://ldinh.ca"]
- ["Amin Bandali", "http://aminbandali.com"]
filename: learnpython.py filename: learnpython.py
--- ---
@@ -159,6 +160,8 @@ li[1:3] #=> [2, 4]
li[2:] #=> [4, 3] li[2:] #=> [4, 3]
# Omit the end # Omit the end
li[:3] #=> [1, 2, 4] li[:3] #=> [1, 2, 4]
# Revert the list
li[::-1] #=> [3, 4, 2, 1]
# Remove arbitrary elements from a list with "del" # Remove arbitrary elements from a list with "del"
del li[2] # li is now [1, 2, 3] del li[2] # li is now [1, 2, 3]