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Python Coding Challenges

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errors loops lists conditionals dictionaries strings functions comprehension regex math sets functional-programming enumerate functools files zip CSV recursion matrices

Fix the error in Python code #1

Fix the error in Python code #2

Fix the error in Python code #3

Fix the error in Python code #4

Fix the error in Python code #5

Fix the error in Python code #6

Fix the error in Python code #7

Fix the error in Python code #8

Fix the error in Python code #9

Count the number of odd numbers in a given list

Count the number of vowels in a given string

Find numbers that are divisible by 3 but not a multiple of 7

Drop the first n elements from a sequence

Check voting eligibility based on the given age

Beginner conditionals

Exclude the first and last items in a list

Fix the error in Python code #10

Beginner errors

Fix the error in Python code #11

Beginner errors

Fix the error in Python code #12

Beginner errors

Generate a dictionary of squared numbers

Beginner dictionaries

Double each number in a list

Beginner loops lists

Order a list of strings in alphabetical order

Beginner loops lists

Classify the given number

Beginner conditionals

Split a string into a list

Beginner strings

Reverse characters in a string

Beginner loops strings

Take the first n elements from a sequence

Add an arbitrary number of arguments together and return the sum

Intermediate functions

Count the frequency of each element in the given list

Intermediate loops lists

Filter a dictionary to include only the key-value pairs where the value is an even number

Intermediate comprehension dictionaries

Create a dictionary where the values are the squares of the original values

Intermediate comprehension dictionaries

Validate an email addresses

Intermediate regex strings

Calculate the exponential power of the given number

Intermediate loops math

Calculate the factorial of the given number

Intermediate loops math

Fix the error in Python code #13

Intermediate errors

Group elements by applying a function to each element

Intermediate lists

Interleave an arbitrary number of lists

Intermediate lists

Combine two lists by summing corresponding elements

Intermediate comprehension lists

Find common elements between two lists

Intermediate sets lists

Filter a list to include only the positive numbers

Intermediate comprehension lists

Filter a list using the given function

Intermediate lists functional-programming

Map a function to each element in a list

Intermediate lists functional-programming

Reduce a list to a single value

Intermediate lists functional-programming

Sort students by age

Intermediate loops lists

Square the even numbers in a list

Intermediate comprehension lists

Multiply each element in a list by its index

Intermediate loops enumerate

Partition a sequence into sublists

Intermediate lists

Extract phone numbers from a string

Intermediate regex strings

Calculate the product of all elements in the given list

Intermediate loops functools

Calculate the square root of each element in the given list

Intermediate loops math

Subtract all the arguments from the first argument to the function

Intermediate functions

Calculate the sum of squares of all elements in the given list

Intermediate loops functools

Find unique elements in a given list

Intermediate sets lists

Find unique elements in a given list

Intermediate sets strings

Count the frequency of words in a file

Intermediate files strings

Create a dictionary from two lists

Intermediate zip dictionaries

Zip an arbitrary number of lists together

Intermediate zip functions

Apply a function to corresponding elements of multiple lists

Intermediate lists functional-programming

Check for balanced parentheses, brackets, and braces

Advanced strings

Function composition by taking two functions as input and returning a composed function

Advanced functions

Read a CSV file and extracts data from specific columns

Advanced files CSV

Extract email addresses

Advanced regex strings

Find common elements across multiple lists

Advanced sets lists

Flatten a tree

Advanced recursion

Transpose a matrix

Advanced zip matrices

Partial function application

Advanced functions

Validate a password

Advanced regex strings

Calculate the sum of all the numbers in a tree structure

Advanced recursion

Calculate the depth of a tree

Advanced recursion

Find the largest value in a tree

Advanced recursion