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The HTML/CSS, JavaScript, Python, and SQL online test assesses candidates' knowledge across the whole Web stack from HTML, CSS, and JavaScript on the Web front-end over Python on the back-end to SQL for data access.
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This online test requires candidates to solve coding problems and find and fix bugs in multiple technologies.
A university's Office of Admission keeps track of student majors. Each student can have a single major. Below is an example of how their system stores students, majors, and how it manipulates them:
students = [("Allen Anderson", "Computer Science"),
("Edgar Einstein", "Engineering"),
("Farrah Finn", "Fine Arts")]
def add_new_student(students, name, major):
students.append((name, major))
def update_student(students, index, name, major):
students[index] = (name, major)
def find_students_by_name(students, name):
return [student for student in students if name in student[0]]
def get_all_majors(students):
return [student[1] for student in students]
What can be concluded from the code snippet above?
Every user on your website has an image avatar that is displayed when they post a comment. You want to style these images differently from other images on your site. Add a CSS class named avatar that fulfils the following requirements:
For example, the avatar in the template should look like:
Implement the ensure function so that it throws an error if called without arguments or the argument is undefined. Otherwise it should return the given value.
Given the following data definition, write a query that returns the number of students whose first name is John.
TABLE students id INTEGER PRIMARY KEY, firstName VARCHAR(30) NOT NULL, lastName VARCHAR(30) NOT NULL
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