AEM 249 Lecture 16

What is the alignment character for left-aligned values in string formatting?

• /

• ^

• >

• <

Which method is used to check if all characters in a string are lowercase or uppercase letters, or the numbers 0-9?

• isdigit()

• islower()

• isalnum()

• isupper()

What does the replace() method do in Python?

• Removes all spaces from the string

• Replaces all occurrences of a substring with a new string

• Counts the number of times a substring occurs in the string

• Returns the index of the first occurrence of a substring

What does the find() method return if the item is not found in the string?

• Error

• None

• 0

• -1

What does the split() method do in Python?

• Returns a copy of the string as a title with the first letters of words capitalized

• Joins a list of strings together

• Splits a string into a list of tokens

• Returns a copy of the string with leading and trailing whitespace removed

What is the default separator for the split() function in Python?

• Period (.)

• Space

• Semicolon (;)

• Comma (,)

Which method is used to join a list of strings together to create a single string?

• merge()

• combine()

• concat()

• join()

What does the isdigit() method return if all characters in the string are not numbers 0-9?

• True

• False

• Error

• None

What is the precision in string formatting used for?

• Determining the number of characters in a string

• Removing leading and trailing whitespace

• Aligning values within the width of a field

• Including digits in the output of floating point numbers

What does the startswith() method return if the string does not start with the specified value?

• True

• False

• Error

• None