Programming languages are a tool. While many modern programming languages are designed to be general purpose, some programming languages may be better suited to solve certain problems than others.

While efficiency of a program is key to solving many contest problems, efficiency of the programmer is also critically important.

• Basic IO operations
• Faster IO for competitive programming

• Lists
• Strings
• Tuples
• Stacks
• Queues
• Priority Queues

• Indexing and Slicing
• Unpacking

• Dictionaries
• Sets

• Introduction
• Map, Reduce, and Filter
• Lambda Expressions

• Decimal
• Fractions