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 Suppose d has been assigned a dictionary with both string (str) keys and values.  Create a new dictionary dnew which has integer keys 1.., such that d[k] is the number of values in d that have length k.  For example, if d={“one”:”a”, “two”:”bb”, “three”:”cc”}, dnew should be {1:1, 2:2} since there is one value of length 1 (“a”) and two values of length 2 (“bb” and “cc”).

Write Python code that assigns to ls a specific list literal ([…]), such that print (ls[-1][-1][-1]) prints the integer value 47.   

Following from the previous question about patterns of growth, in which three groups would you be most likely to find the most species of bacteria that are catalase positive? Copyright 2025 by Dr. Jonathan A. Miller. All rights reserved. Online sharing or distribution is prohibited. For exam use only in BIOL& 260: Microbiology at Edmonds College. Outside help is not allowed.

Solve the problem. Round to the nearest cent.You intend to create a college fund for your baby. If you can get an interest rate of 3.9% compounded monthly and want the fund to have a value of $141,991 after 18 years, how much should you deposit each month?

Estimate the answer to the problem.James’ drive from home to work is 30.5 miles one way. If in a month he goes to work 22 days, then how many miles does he drive going from home to work and back in one month?

Match the term with the best answer choice:

Solve the problem.Runners in a 20 km race run how many miles?

JT is afraid of cats. His mom gives him a piece of candy each time he is in the same room with their family cat. After doing this several times, JT can now be in the room with the cat. He no longer shows any fear.  Match the term the term with the outcome given this scenario. 

Sensation and Perception

Perception