循环遍历时不能修改字典,否则会报错:RuntimeError: dictionary changed size during iteration
for k in func_dict.keys():
if func_dict[k] is np.nan:
del func_dict[k]
continue
解决办法:将遍历条件改为列表
for k in list(func_dict.keys()):
if func_dict[k] is np.nan:
del func_dict[k]
continue
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原文链接:https://blog.csdn.net/u013344884/article/details/81867225
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