AWS Python Booster Day 3

The first character in a string is at index 1.

• True

• False

• May be

• None of the above

Which print output is the result of the following code?

word = "windows"

print(word[-1])

• "w"

• "s"

• "i"

• " " (empty string)

Which choice will print the word "tac", given the following variable declaration?

word = "cat"

• print(word[::-1])

• print(word[::1])

• print(word[0:1:2])

• print(word[2:1:0])

The .count() string method returns the number of times a for/in loop iterates.

• True

• False

• May be

• None of the above

Which string method returns an index of first character or substring matches?

• .find()

• .count()

• .isalpha()

• while

Which choice is a valid Python code to store the length of the given string variable 'word' in 'x'?

word = "Python"

• x = len(word)

• x = word.len()

• x.length(word)

• for x in length of word

Which is a valid way to initialize a Python list?

• scores = [11, 8, 0, 24, 31, 12, 19]

• listdef scores(11, 8, 0, 24, 31, 12, 19)

• scores.list(11, 8, 0, 24, 31, 12, 19)

• scores = {11:8:0:24:31:12:19}

Which is valid Python code that will print "Green", given the following code?

colors = ["Red", "Blue", "Green", "Yellow"]

• print(colors[0])

• print(colors[4])

• print(colors[3])

• print(colors[2])

Which code places another "2" integer to the end of the following list?

numbers = [1, 1, 2]

• numbers + 2

• numbers.add(2)

• numbers += 2

• numbers.append(2)

Which best describes a valid Python use of the following days List?

• days.append(1, "Wednesday")

• days.insert(1, "Wednesday")

• print(days[6])

• All of the above