1. Nate Brunelle Today: Turtles
CS1110
Nate Brunelle
Today: Turtles

2. Questions?

3. Python vs. PyCharm
Python
Language (English)
PyCharm
Microsoft Word

4. Components of Pseudo-Code
Sequence = Do the highest line first, then perform them in order from top to bottom
Line = one “thing” to do
Repetition = repeat something
Fixed number of times : e.g. “repeat 3 times”
Until something happens: e.g. “until hair is foamy”
Conditions/Decisions = maybe do something
Check something first
If there is no more shampoo, then get more
Named actions = two parts: definition, use
Definition = how to do a thing
Use = when to do the thing defined
Variables = name for a value that can change while doing something

5. Bugs Syntax Semantic Logical Understandability
Statement does not “parse”
Semantic
Grammatically correct, but nonsense
Logical
Means something, but not what you meant
Understandability
I said it, it makes sense, and it means what I meant, but no one else can understand it

6. Dry code
DRY
Don’t Repeat Yourself