超蓝我的笔

I had changed the code. _____________________________________________________________________  Change "iteritems"to"items" _______________________________________________________________________  Change"if not b.has_key(k)"to" if k not in b:" _____________________________________________________________________  change "np.load(A)"to "np.load(A,encoding=“latin1”)" ______________________________________________________________________ How can I fix it?

引用了过时的API error[E0557]: feature has been removed --> src/main.rs:6:12 | 6 | #![feature(const_in_array_repeat_expressions)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed | = note: removed due to causing promotable bugs