Referenced from lesson Reviewing the Basics

Fill out the contract for each function, then try to write two examples and the definition by yourself.

Directions:

Contract and Purpose Statement

Every contract has three parts…​

# double::______->______

#  

Examples

Write some examples, then circle and label what changes…​

examples:

__double ("5")is 2 * 5

__double ("7")is 2 * 7

end

Definition

Write the definition, giving variable names to all your input values…​

fun double(n):

__2 * n

end

Directions:

Contract and Purpose Statement

Every contract has three parts…​

# _::_->_

# _______

Examples

Write some examples, then circle and label what changes…​

examples:

___ (__)is _

___ (__)is _

end

Definition

Write the definition, giving variable names to all your input values…​

fun _(_):

___

end

These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, and 1738598). CCbadge Bootstrap:Reactive by Emma Youndtsmith, Emmanuel Schanzer, Kathi Fisler, Shriram Krishnamurthi, Joe Politz and Dorai Sitaram is licensed under a Creative Commons 4.0 Unported License. Based on a work at www.BootstrapWorld.org. Permissions beyond the scope of this license may be available by contacting schanzer@BootstrapWorld.org.