Q51. What is the output of the following Python program regarding local variable shadowing?
#!/usr/bin/python ```python def fun1(a): ``` print'a:',a a=33; print'locala:',a a=100 fun1(a) print'aoutsidefun1:',a Output: a:100 locala:33 aoutsidefun1:100
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Q52. What is the output of the following Python program using global variable modification?
#!/usr/bin/python ```python def fun2(): ``` globalb print'b:',b b=33 print'globalb:',b b=100 fun2() print'boutsidefun2′,b Ans. Output: b:100 globalb:33 boutsidefun2:33
Q53. What is the output of the following Python program with variable swapping and globals?
#!/usr/bin/python ```python def foo(x,y): ``` globala a=42 x,y=y,x b=33 b=17 c=100 print(a,b,x,y) a,b,x,y=1,15,3,4 foo(17,4) print(a,b,x,y) Ans.Output: 4217417 421534
Q54. What is the output of the following Python program demonstrating mutable default arguments?
### The Code Snippet: ```python def foo(x=[]): x.append(1) return x print(foo()) print(foo()) ``` ### Output: ```python [1] [1, 1] ``` ### Technical Explanation: In Pytho...
Q55. What is the purpose of #!/usr/bin/Pythonon the first line in the above code? Is there any advantage?
By specifying #!/usr/bin/pythonyou specify exactly which interpreter will be used to run the script on a particular system. This is the hardcoded path to the python inter...
Q56. What is the output of indexing a list out of range in Python?
### Code Snippet: ```python items = ['a', 'b', 'c', 'd', 'e'] print(items[10]) ``` ### Output: Python raises an **`IndexError`**: ``` IndexError: list index out of range ...
Q57. What is the output of slicing a list beyond its length in Python?
list=['a','b','c','d','e'] printlist[10:] Ans. Output: [] Theabovecodewilloutput[],andwillnotresultinanIndexError. As one would expect, attempting to access a member of ...
Q58. What does this list comprehension do:?
### Expression: ```python [x**2 for x in range(10) if x % 2 == 0] ``` ### What It Does: This list comprehension iterates through the numbers `0` through `9`, filters for ...
Q59. Do sets, dictionaries and tuples also support comprehensions?
Sets and dictionaries support it. However tuples are immutable and have generators but not comprehensions. Set Comprehension: r={xforxinrange(2,101) ifnotany(x%y==0foryin...
Q60. What are some mutable and immutable datatypes/datastructures in Python?
In Python's object model, every object has a type, value, and identity. Whether its internal value can change without creating a new identity determines its mutability: #...