2024-05-15 11:02:34 发布
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我有以下清单:
lst_gws = ["gw1", "gw2", "gw3"] gw1 = ["gw1-123", "gw1-234"] gw2 = ["gw2-445", "gw2-332"] gw3 = ["gw3-257", "gw3-321"]
是否可以循环浏览列表并打印出每个列表的值,例如:
for i in lst_gws: print i
但打印的是实际值而不是名称
你可以做:
for i in lst_gws: print(locals()[i])
它将按预期打印出来(locals()允许您访问任何局部变量):
locals()
>>> lst_gws = ["gw1", "gw2", "gw3"] >>> >>> gw1 = ["gw1-123", "gw1-234"] >>> gw2 = ["gw2-445", "gw2-332"] >>> gw3 = ["gw3-257", "gw3-321"] >>> for i in lst_gws: ... print(locals()[i]) ... ['gw1-123', 'gw1-234'] ['gw2-445', 'gw2-332'] ['gw3-257', 'gw3-321']
您可以使用locals()和globals()访问局部和全局变量字典
globals()
它们是字典,其中键是变量的名称,值是它的值
x = 3 y = 2 z = [1, 2, 3] vars = ["x", "y", "z"] for name in vars: print(locals()[name])
用听写器怎么样
lst_gws = { "gw1" : ["gw1-123", "gw1-234"], "gw2" : ["gw2-445", "gw2-332"], "gw3" : ["gw3-257", "gw3-321"], } for name in lst_gws: print lst_gws[name]
你可以做:
它将按预期打印出来(
locals()
允许您访问任何局部变量):您可以使用
locals()
和globals()
访问局部和全局变量字典它们是字典,其中键是变量的名称,值是它的值
用听写器怎么样
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