Write a Python program to remove items 10, 20, 30 from the following set at once.
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total answers (1)
Severity: 8192
Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
Filename: libraries/Filtered_db.php
Line Number: 23
total answers (1)
Hint:
Use the
difference_update()
method of a set.Solution:
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