Transforming Strings into Operators
In the realm of programming, it's often necessary to dynamically generate operators based on input strings. For instance, a string like " " may need to be converted into the addition operator.
Utilizing a Lookup Table
One effective approach to address this challenge is to employ a lookup table. This involves creating a dictionary that maps operator strings to their corresponding functions:
import operator ops = { "+": operator.add, "-": operator.sub } # etc.
With this table in place, we can effortlessly retrieve the desired operator:
print(ops["+"](1, 1)) # prints 2
By providing a mapping between strings and operators, this technique allows for the seamless conversion of textual representations into executable operations.
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