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Challenges
2,500 Python challenges
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Card Counting (BlackJack)
Hard
Python
algebra
games
conditions
ATM PIN Code Validation
Hard
Python
regex
validation
Compound Interest
Hard
Python
algebra
math
Return Only the Integer
Hard
Python
arrays
sorting
loops
Chat Room Status
Hard
Python
arrays
control_flow
Western Showdown
Hard
Python
strings
conditions
List Operation
Hard
Python
arrays
numbers
math
Simon Says
Hard
Python
arrays
validation
games
Secret Society
Hard
Python
strings
arrays
Is the Word an Isogram?
Hard
Python
strings
validation
loops
Is the String in Order?
Hard
Python
logic
strings
validation
Convert to Decimal Notation
Hard
Python
strings
numbers
Purge and Organize
Hard
Python
arrays
data_structures
sorting
Is the Number Symmetrical?
Hard
Python
conditions
numbers
validation
Square Every Digit
Hard
Python
numbers
algorithms
math
Travelling Salesman Problem
Hard
Python
recursion
algorithms
math
"InnoKod" Challenge
Hard
Python
algorithms
math
Count Palindrome Numbers in a Range
Hard
Python
strings
control_flow
numbers
Determine If Two Numbers Add up to a Target Value
Hard
Python
arrays
validation
numbers
Transform into a List with No Duplicates
Hard
Python
arrays
loops
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