Q471. How can you declare multiple assignments in one statement?
There are two ways to do this: First – ```python >>> a,b,c=3,4,5 #This assigns 3, 4, and 5 to a, b, and c respectively ``` Second – ```python >>> a=b=c=3 #This assigns 3 ...
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Q472. If you are ever stuck in an infinite loop, how will you break out of it?
For this, we press Ctrl+C. This interrupts the execution. Let's create an infinite loop to demonstrate this. ```python >>> def counterfunc(n): ``` while(n==7):print(n) ``...
Q473. When is the else part of a try-except block executed?
In an if-else block, the else part is executed when the condition in the if-statement is False. But with a try-except block, the else part executes only if no exception i...
Q474. Explain join() and split() in Python?
1)join() lets us join characters from a string together by a character we specify. ```python >>> ','.join('12345') ``` '1,2,3,4,5' 2) split() lets us split a string aroun...
Q475. Is del the same as remove()? What are they?
del and remove() are methods on lists/ ways to eliminate elements. ```python >>> list=[3,4,5,6,7] ``` >>> del list[3] ```python >>> list ``` [3, 4, 5, 7] ```python >>> li...
Q476. How will you convert an integer to a Unicode character?
This is simple. All we need is the chr(x) built-in function. See how. ```python >>> chr(52) ``` '4' ```python >>> chr(49) ``` '1' ```python >>> chr(67) ``` 'C'
Q477. So does recursion cause any trouble?
Sure does: Needs more function calls. Each function call stores a state variable to the program stack- consumes memory, can cause memory overflow. Calling a function cons...
Q478. What good is recursion?
**Recursion** is a programming technique where a function solves a problem by calling itself with smaller sub-instances of the same problem until reaching a **base case**...
Q479. How do you get the current working directory using Python?
Working on software with Python, you may need to read and write files from various directories. To find out which directory we're presently working under, we can borrow t...
Q480. What is Virtualenv in Python?
virtualenv is a tool to create isolated Python environments. virtualenv creates a folder which contains all the necessary executables to use the packages that a Python pr...