Choose the Correct Answer(s)What will be the output after the following statements?def xyz(): a = 56 xyz() print(a)OptionsNameErrora = 56xyz56
Question
Choose the Correct Answer(s)
What will be the output after the following statements?
def xyz():
a = 56
xyz()
print(a)
Options
NameError
a = 56
xyz
56
Solution
Break Down the Problem
- We need to analyze the code provided and determine what happens when it is executed.
- The function
xyz
is defined, and within it, a local variablea
is assigned the value56
. - After calling the function
xyz
, there is an attempt to print the value ofa
.
Relevant Concepts
- Understand the scope of variables in Python: variables defined inside a function are local to that function and cannot be accessed outside of it.
- Recognize that an attempt to access a variable that is not in the global scope will raise a
NameError
.
Analysis and Detail
- The function
xyz()
sets a local variablea = 56
. - After calling
xyz()
, the variablea
defined insidexyz
does not exist in the global scope. - The line
print(a)
is outside of the function and thus attempts to access the global variablea
, which has not been defined.
Verify and Summarize
Based on the understanding of variable scope in Python, the attempt to print a
will result in a NameError
since a
is not available in the global scope.
Final Answer
NameError
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