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Exam 8: More About Strings

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Question 1

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What will be assigned to the string variable pattern after the following code executes? I = 3 Pattern = 'z' * (5 * i)

A) 'zzzzzzzzzzzzzzz'
B) 'zzzzz'
C) 'z * 15'
D) Nothing; this code is invalid

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Question 2

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What is the first negative index in a string?

A) 0
B) -1
C) -0
D) the size of the string minus one

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Question 3

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The __________ method returns the list of the words in a string.

Indexing works with both strings and lists.

What will be displayed after the following code executes? Mystr = 'yes' Yourstr = 'no' Mystr += yourstr * 2 Print(mystr)

What will display after the following code executes? Password = 'ILOVEPYTHON' If password.isalpha() : Print('Invalid,must contain one number.') Elif password.isdigit() : Print('Invalid,must have one non-numeric character.') Elif password.isupper() : Print('Invalid,cannot be all uppercase characters.') Else: Print('Your password is secure!')

The strip()method returns a copy of the string with all the leading whitespace characters removed but does not remove trailing whitespace characters.

What will be the value of the variable string after the following code executes? String = 'Hello' String += ' world!'

The __________ method returns True if the string contains only numeric digits.

Each character in a string has a(n)__________ which specifies its position in the string.

The isalpha()method returns __________ if the string contains only alphabetic characters and is at least one character in length.

What will be assigned to the variable s_string after the following code executes? Special = '1357 Country Ln.' S_string = special[-3:]

Indexing of a string starts at 1 so the index of the first character is 1,the index of the second character is 2,and so forth.

When accessing each character in a string,such as for copying purposes,you would typically use a while loop.

What are the valid indexes for the string 'New York'?

A(n)__________ exception will occur if you try to use an index that is out of range for a particular string.

What will be the value of the variable string after the following code executes? String = 'abcd' String.upper()

What will be assigned to the variable s_string after the following code executes? Special = '1357 Country Ln.' S_string = special[ :4]

The third number in string slicing brackets represents the ___________ value.

The __________ method returns a copy of the string with all the alphabetic letters converted to lower case.