String Manipulation Review

What does traversing a string mean?

• Reversing a string

• Accessing the individual characters of a string

• Counting the number of vowels in a string

• Concatenating two strings

What does the ord() function do in Python?

• Splits the string based on a delimiter

• Replaces old text with new text in a string

• Returns the ordinal position of a single character

• Counts the number of characters in a string

What is the output of the code fragment: print('Tom' + 'Jerry')?

• JerryTom

• Tom & Jerry

• Jerry & Tom

• TomJerry

What does the isdigit() function do in Python?

• Returns True if all the characters in the string are in capital letters

• Returns True if all the characters in the string are in small letters

• Returns True if the string contains only spaces

• Returns True if all the characters in the string are digits

What is the output of the code fragment: print('Hello World'.upper().lower())?

• hELLO wORLD

• Hello World

• hello world

• HELLO WORLD

What is the purpose of the split() function in Python?

• Counts the number of occurrences of a word in the string

• Converts the entire string to lowercase

• Converts the entire string to uppercase

• Splits the string based on a delimiter and stores the result in a list

What is the output of the code fragment: print('0123456789'[3], ',', '012', '-', '234')?

• 3, 012, 234, 345

• 3, 012, 234, 012

• 3, 012, 234, 234

• 3, 012, 234

What is the output of the code fragment: x = 'hello' + 'world'; y = len(x); print(y, x)?

• 11, helloworld

• 10, helloworld

• 11, hello world

• 10, hello world

What is the purpose of the replace() function in Python?

• Returns True if all the characters in the string are in capital letters

• Returns True if all the characters in the string are in small letters

• Returns True if the string contains only spaces

• Replaces old text inside the string with new text

What is the output of the code fragment: print('hello'*3, str(123))?

• hellohellohello, 123

• hellohellohello, hellohellohello

• hellohellohello, 123123123

• hellohellohello, hello