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DS-1000 / 104 / In pandas, how do I replace &AMP; with '&' from all columns where &AMP could be…

Problem

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Problem:
In pandas, how do I replace &AMP; with '&' from all columns where &AMP could be in any position in a string?Then please evaluate this expression.
For example, in column Title if there is a value '1 &AMP; 0', how do I replace it with '1 & 0 = 0'?


A:
<code>
import pandas as pd


df = pd.DataFrame({'A': ['1 &AMP; 1', 'BB', 'CC', 'DD', '1 &AMP; 0'], 'B': range(5), 'C': ['0 &AMP; 0'] * 5})
</code>
df = ... # put solution in this variable
BEGIN SOLUTION
<code>

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Source and history

upstream_id / Original problem ID: 104
task_id: 65673469-8ede-57f6-8516-b0dd17413b1b
task_key: default--test--104
task_revision_id: 2
config / split: default / test

Official source

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