Exercise: Python

Questions for: Functions

What is the purpose of the functools.partialmethod?
A:
To create partial functions with default arguments.
B:
To create partial methods with default arguments.
C:
To create class methods with default arguments.
D:
To create static methods with default arguments.
Answer: B
The functools.partialmethod in Python is used to create partial methods with default arguments, similar to functools.partial for functions.
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What is the purpose of the getattr function?
A:
To get the attribute of an object.
B:
To get the type of an object.
C:
To get the value of a variable.
D:
To get the length of an iterable.
Answer: A
The getattr function in Python is used to get the value of a named attribute of an object.
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What is the purpose of the functools.reduce function?
A:
To apply a function cumulatively to the items of an iterable.
B:
To reduce the size of a function.
C:
To remove duplicates from an iterable.
D:
To concatenate two iterables.
Answer: A
The functools.reduce function in Python is used to apply a function cumulatively to the items of an iterable, reducing the iterable to a single cumulative result.
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How can you create a generator function?
A:
By using the generator keyword.
B:
By using the yield keyword in a function.
C:
By using the iter keyword.
D:
By using the return keyword in a function.
Answer: B
A generator function in Python is created by using the yield keyword to produce a series of values over time.
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What is the purpose of the bytecode?
A:
To store binary data.
B:
To represent the compiled form of a Python program.
C:
To encode text.
D:
To store raw bytes.
Answer: B
The bytecode in Python represents the compiled form of a Python program, which is an intermediate code executed by the Python interpreter.
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