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PA1 - Strings
Initialize a string
• Initializing a string in python:
String index
• How would you access different characters in a string?
• For example, if the string is “Hello”, can you access and print just the
first character which is “H”?
String index
• How would you access different characters in a string?
• For example, if the string is “Hello”, can you access and print just the
first character which is “H”?
String methods
• Is there a way to convert all characters in the string to lower case?
• Is there a way to find if a certain word exists in a string?
• Is there a way to split a string into different words based on space
between them?
String Methods
Method What does it do?
casefold() Convert the characters to lower
case
upper() Converts a string into upper case
split() Splits the string at the specified
separator, and returns a list
find() Searches the string for a
specified value and returns the
position of where it was found
Strings Methods – case conversion
Strings Methods - split
Strings Methods - find
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PA1 strings extended

  • 2. Initialize a string • Initializing a string in python:
  • 3. String index • How would you access different characters in a string? • For example, if the string is “Hello”, can you access and print just the first character which is “H”?
  • 4. String index • How would you access different characters in a string? • For example, if the string is “Hello”, can you access and print just the first character which is “H”?
  • 5. String methods • Is there a way to convert all characters in the string to lower case? • Is there a way to find if a certain word exists in a string? • Is there a way to split a string into different words based on space between them?
  • 6. String Methods Method What does it do? casefold() Convert the characters to lower case upper() Converts a string into upper case split() Splits the string at the specified separator, and returns a list find() Searches the string for a specified value and returns the position of where it was found
  • 7. Strings Methods – case conversion