Python Error Handling Quiz
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Questions and Answers

In Python, which method can be used to add an item to the end of a list?

  • Remove
  • Reverse
  • Pop
  • Insert (correct)

What method in Python can be used to remove an item from a list without knowing its index?

  • Reverse
  • Pop (correct)
  • Insert
  • Sort

Which method can be used in Python to change the order of elements in a list?

  • Sort (correct)
  • Insert
  • Remove
  • Pop

What method in Python can be used to reverse the order of elements in a list?

<p>Sort (B)</p> Signup and view all the answers

Which method in Python is used to remove an element at a specified position from a list?

<p>Remove (C)</p> Signup and view all the answers

In Python, which method can be used to add multiple items to the end of a list?

<p>Extend (A)</p> Signup and view all the answers

In Python, which method can be used to remove an element from a list?

<p>pop() (B)</p> Signup and view all the answers

What is the purpose of the insert() method in Python for lists?

<p>To add an element to a specific index in the list (D)</p> Signup and view all the answers

Which method in Python can be used to reverse the order of elements in a list?

<p>reverse() (D)</p> Signup and view all the answers

When using the sort() method in Python, how are the elements typically arranged?

<p>In ascending order (A)</p> Signup and view all the answers

Which method in Python is used to remove an element from a specific index in a list and return it?

<p>pop() (B)</p> Signup and view all the answers

If a Python list contains [4, 2, 6, 1, 3], what would be the result after calling the sort() method on it?

<p>[1, 2, 3, 4, 6] (D)</p> Signup and view all the answers

What does the 'finally' block in Python do?

<p>It is executed regardless of whether an exception occurs in the try block or not. (D)</p> Signup and view all the answers

What would happen if you set b to 2 in the given code and input a character instead of a number?

<p>The program would print 'invalid input'. (B)</p> Signup and view all the answers

What is the purpose of modules in Python?

<p>To break down large programs into smaller, manageable files. (A)</p> Signup and view all the answers

What does the 'input()' function do in Python?

<p>It reads a line from input (usually user), converts it to a string by removing the trailing newline, and returns it. (B)</p> Signup and view all the answers

What is the output of the given code when a=5, b=0, and you give a string as input?

<p>The output is 'the value can not be divided by zero division by zero' and 'resource closed'. (C)</p> Signup and view all the answers

What does the 'int()' function do in Python?

<p>It converts a string to an integer. (D)</p> Signup and view all the answers

Study Notes

Iterating over a List

  • Method 1: Using for loop to iterate over a list, example: for item in list: print('college ', i, ' is ', item)
  • Method 2: Using for loop and range() function to iterate over a list, example: for i in range(length): print(list[i])
  • Method 3: Using while loop to iterate over a list, example: while i &lt; length: print(list[i])

Mutability and List Operations

  • Mutable objects can be changed after creation, immutable objects cannot
  • Append: adds an item to a list, example: x.append(10)
  • Extend: appends a sequence to a list

Operator Precedence

  • Multiplication gets evaluated before addition
  • Parentheses () can override the precedence of arithmetic operators
  • Examples of operator precedence with different expressions

Comments in Python

  • Single-line comments start with # symbol
  • Multi-line comments use triple double quotes """ """ or single quotes `''' '''
  • Example of single-line and multi-line comments

Modules in Python

  • A Python module is a file containing Python code, including functions, classes, and variables
  • Modules can be used to break down large programs into smaller, manageable files
  • Example of creating and using a module

Exception Handling

  • Example of try-except-finally block to handle ZeroDivisionError
  • Example of try-except block to handle ValueError and generic Exception
  • Importance of exception handling in Python

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Description

Test your knowledge of Python error handling with this quiz. The quiz includes a code snippet that demonstrates handling a ZeroDivisionError and prompts users to modify the code to observe different outputs. See if you can predict the output in various scenarios!

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