Coding Exercise #16

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👉 Here are four questions that will test your basic Python skills. Please click on the correct answer for each question.

1. One of the three code snippets below prints out a different output from the other two. Which one is it?

Code 1:

a = ['sarah', 'bill', 'anika']

for i in a:
    print(i.capitalize())

Code 2:

a = ['sarah', 'bill', 'anika']

print(a[0].capitalize())
print(a[1].capitalize())
print(a[2].capitalize())

Code 3:

a = ['sarah', 'bill', 'anika']
print([i.capitalize() for i in a])

2. The two code blocks below do the same thing, but one is usually preferred over the other by best practices. Which one is the preferred one?

Code 1:

a = ['sarah', 'bill', 'anika']
b = [i.capitalize() for i in a]
print(b)

Code 2:

a = ['sarah', 'bill', 'anika']
b = []
for i in a:
    b.append(i.capitalize())

print(b)

3. Which of the following produces an error?

Code 1:

a = ['sarah', 'bill', 'anika']
a.append('jim')

Code 2:

a = ('sarah', 'bill', 'anika')
a.append('jim')

4. Select the wrong statement for the following code:

def foo(x, y):
    print(x * y)

result = foo(10, 20)

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