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s[i] = xs[i:j] = tdel s[i:j]s[i:j] = []
s.append(x)s[len(s):len(s)] = [x]
s.count(x)s[i] == x
s.index(x)s[i] == x --- (1)
s.insert(i, x)s[i:i] = [x]
s.remove(x)del s[s.index(x)] --- (1)
s.reverse()s.sort()s[i] <= s[j],
for i < j --- (2)
sort() method takes an optional argument
specifying a comparison function of two arguments (list items) which
should return -1, 0 or 1 depending on whether the
first argument is considered smaller than, equal to, or larger than the
second argument. Note that this slows the sorting process down
considerably; e.g. to sort a list in reverse order it is much faster
to use calls to sort() and reverse() than to use
sort() with a comparison function that reverses the ordering of
the elements.