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Tutor profile: Naomi L.

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Naomi L.
Brown University Student
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Questions

Subject: Python Programming

TutorMe
Question:

1. What is an immutable object? Give a few examples of immutable types. 2. Given the list A, remove the last character using splicing. 3. Explain the lambda function. Write out a lambda function using map() to double each element in list B = [5,9,10,12]. 4. How can we tell if a CFG (context-free grammar) is ambiguous?

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Naomi L.
Answer:

1. An immutable object can’t be changed after it is created. int, float, bool, string, unicode, tuple. 2. A = A[:-1] 3. A lambda function is a function that is anonymous and has any number of arguments but only one statement. When defining anonymous functions, we use the keyword "lambda" instead "def". A lambda function using map to double each element is B_doubled = list(map(lambda x: x*2, B)) 4. We can create two parse trees from the same grammar. Then we can confirm both parse trees represent same CFG by converting the grammar to a singular Chomsky normal form.

Subject: College Admissions

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Question:

Tackling essay prompts in college applications, or test prep!

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Naomi L.
Answer:

There is no one answer to this question. I can help you proofread your essays or help you with ACT preparation.

Subject: English

TutorMe
Question:

Answer each of the questions below: 1. Fill in the blank of this sentence. "Adjectives of three syllables or more form the comparative by putting ___ before the adjective." 2. What is wrong with this sentence? "To see well, the lights in this room need to be adjusted." 3. What tense is used in this sentence? "The birds were chirping when Jennifer woke up this morning." 4. How many clauses does this sentence contain and which types? "Although I originally planned to cook dinner, I was too enervated from my homework and I wanted to try a new restaurant downtown."

Inactive
Naomi L.
Answer:

1. more 2. contains a dangling modifier 3. past progressive 4. 3 clauses; 1 dependent and 2 independent

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