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explained for - else

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This commit is contained in:
Alexander Kryklia
2013-01-21 18:55:29 +02:00
parent e78c020a52
commit 0f5e7cd9e4
1 changed files with 9 additions and 0 deletions
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9
common/lib/capa/capa/verifiers/draganddrop.py
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@@ -217,6 +217,13 @@ class DragAndDrop(object):
if PositionsCompare(u_el) == PositionsCompare(c_el):
break
else:
# General: the else is executed after the for,
# only if the for terminates normally (not by a break)
# In this case, 'for' is terminated normally if every element
# from 'correct' list isn't equal to concrete element from
# 'user' list. So as we found one element from 'user' list,
# that not in 'correct' list - we return False
return False
if flag == 'unordered_equal':
@@ -229,6 +236,8 @@ class DragAndDrop(object):
temp.remove(c_el)
break
else:
# same as upper - if we found element from 'user' list,
# that not in 'correct' list - we return False.
return False
return True