velvet_pond_6123
Exemplar
Top 2.6%
Member Nº 4531
Joined Aug 2026
SQL
Type Casting
Group Filtering
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Python
Guard Clauses
String Methods
Dict Methods
Spark
Exploding Arrays
Regex Functions
Catalyst Optimizer
Data Modeling
Metric Additivity
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Learned
Python151
SQL71
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Recent solves
Dictionaries: Beginner, Checking for Keys and Key Types Challenge 1
Python · medium · lesson
Dictionaries: Beginner, Removing Items Challenge 2
Python · medium · lesson
Dictionaries: Beginner, Removing Items Challenge 1
Python · medium · lesson
Dictionaries: Beginner, Removing Items Challenge 4
Python · easy · lesson
Dictionaries: Beginner, Removing Items Challenge 3
Python · easy · lesson
Dictionaries: Beginner, Reading and Updating Values Challenge 3
Python · medium · lesson
Dictionaries: Beginner, Reading and Updating Values Challenge 2
Python · easy · lesson
Dictionaries: Beginner, Reading and Updating Values Challenge 1
Python · medium · lesson
Dictionaries: Beginner, Reading and Updating Values Challenge 5
Python · easy · lesson
Dictionaries: Beginner, Reading and Updating Values Challenge 4
Python · easy · lesson