1. (5 points) Assume you have a list in a variable called mylst. The expression mylst[0:] has the same contents as which of the following expressions? highlight all that are equivalent. a. mylst[:] b. mylst[0] c. mylst[:1] d. mylst[1] e. mylst 2. (5 points) What is the behavior when the find method fails? returns -1 to indicate failure b. returns None returns the first location of whitespace d. а. С. causes a Runtime Error deletes the first element of the list e.
1. (5 points) Assume you have a list in a variable called mylst. The expression mylst[0:] has the same contents as which of the following expressions? highlight all that are equivalent. a. mylst[:] b. mylst[0] c. mylst[:1] d. mylst[1] e. mylst 2. (5 points) What is the behavior when the find method fails? returns -1 to indicate failure b. returns None returns the first location of whitespace d. а. С. causes a Runtime Error deletes the first element of the list e.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![1. (5 points) Assume you have a list in a variable called mylst. The expression mylst[0:] has the same
contents as which of the following expressions? highlight all that are equivalent.
a. mylst[:]
b. mylst[0]
c. mylst[:1]
d. mylst[1]
e. mylst
2. (5 points) What is the behavior when the find method fails?
returns -1 to indicate failure
b. returns None
a.
с.
returns the first location of whitespace
d.
causes a Runtime Error
e.
deletes the first element of the list](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa49d8b5b-12d7-4644-a99e-50ded8c16dfa%2F71ca9c05-73cc-44cf-abe4-98215dc701da%2Fzyq4j9q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. (5 points) Assume you have a list in a variable called mylst. The expression mylst[0:] has the same
contents as which of the following expressions? highlight all that are equivalent.
a. mylst[:]
b. mylst[0]
c. mylst[:1]
d. mylst[1]
e. mylst
2. (5 points) What is the behavior when the find method fails?
returns -1 to indicate failure
b. returns None
a.
с.
returns the first location of whitespace
d.
causes a Runtime Error
e.
deletes the first element of the list
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