The Joy of Programming
A gentle introduction to programming.
Hello, Joy!
Hello, Python!
Write small programs to draw simple shapes.
Drawing Circles
Positioning Shapes
Rectangles and Ellipses
Lines and Polygons
Add colors and styles to the shapes.
Basic Styles
The Web Colors
Creating Colors
Combine two or more shapes to create new shapes.
Combining Two Shapes
Combining Many Shapes
Apply transformations like translate, rotate and scale to create new shapes.
Translate
Rotate
Scale
Repeat
Composing new shapes by defining functions.
Functions
Functional Composition
Create repetition and variation in sketches using loops and conditionals.
The For Loop
Repeating Shapes
Thinking in Loops
Making Grids
Conditional Expressions
Write programs that generate a new drawings everytime they are run.
Randomness
Generative Art
More Generative Art
All Courses The Joy of Programming Conditional Expressions
Conditional Expressions
Anand Chitipothu
Jul 10, 2021
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##7.13 ```python elif dot_location == "left": d = dot(x=x-r, y=y) elif dot_location == "right": d = dot(x=x+r, y=y) ```
##7.13 ```python elif dot_location == "left": d = dot(x=x-r, y=y) elif dot_location == "right": d = dot(x=x+r, y=y) ```
DP Dhanush P N
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##7.14 ```python for i in range(n): if i % 2 == 0: c = circle(x=x, y=y, r=r) else: c = rectangle(x=x, y=y, w=r*2, h=r*2) show(c) x = x + 2*r ```
##7.14 ```python for i in range(n): if i % 2 == 0: c = circle(x=x, y=y, r=r) else: c = rectangle(x=x, y=y, w=r*2, h=r*2) show(c) x = x + 2*r ```
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