pr174.py

来自「mallet是自然语言处理、机器学习领域的一个开源项目。」· Python 代码 · 共 10 行

# test for PR#174 -- immutability of tuples

target = (1,2,3)
lst = [1,2,3]
tpl = tuple(lst)
lst[0] = 0

if tpl <> target:
    print 'Tuples are mutable'