4 ms·
def swap(a, b): t = a a = b b = t def swap2(a, b): t = a['v'] a['v'] = b['v'] b['v'] = t x = 3 y = 8 xx = {'v': x} yy = {'v'
by diN0bot 17y ago
def swap(a, b):
t = a
a = b
b = t
def swap2(a, b):
t = a['v']
a['v'] = b['v']
b['v'] = t
x = 3
y = 8
xx = {'v': x}
yy = {'v': y}
swap(x, y) # changes nothing
swap(xx, yy) # changes nothing
swap2(xx, yy) # changes 'v' values in xx and yy, but not x or y
- dustmop 17y agoHence the word "traditional" in the article.