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archives/01-introduction-to-computer-science-and-programming/archives/UNIT-01/02-core-elements-of-a-program/README.md
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@ -23,3 +23,19 @@ Type are classifications of objects, which is what Python, as an OOP language, d
### What is an 'expression'?
An expression is composed of objects (or operands) and operators, and can be interpreted into a value.
### What is a type conversion?
A type conversion turns one type of object into another. For example, applying str to the integer 3 results in the string '3'.
### What is a keyword?
Keywords are words that have special meanings within a language. Many editors will display them in special colors. These words cannot be used as variables.
### What is the difference between a straight line program and a branching program?
A straight line program simply goes through and carries out each step. A branching program will do different things depending on conditions set within the program.
### What is a conditional?
A conditional statement starts with an if statement, and can also include elif and else.