Python also offers many built-in functions and methods for string manipulation.

• capitalize()- This function returns a copy of the string with its first character capitalized.

e.g.,

s="python"
s.capitalize()

Output- Python

• upper()- This method returns a string with lower case characters replaced by corresponding uppercase characters.

e.g.,

s="python"
s.upper()

Output- PYTHON

• lower()- This method results in a string with uppercase characters replaced by corresponding lowercase characters.

e.g.,

s="PYTHON"
s.lower()

Output- python

• title()- This method results in a string with the first character of each word converted to uppercase.

e.g.,

s="hello, world!"
s.title()

Output- Hello, World!

• isalpha()- This method returns true if all the characters in a string are alphabetic., otherwise returns false.

e.g.,

s="python"
s.isalpha()

Output- True

• isdigit()- This method returns true if all the characters in the string are digits. Otherwise, returns false.

e.g.,

s="123"
s.isdigit()

Output- True

• islower()- This method returns true if all the characters in a string are lowercase characters else returns false.

e.g.,

s="python"
s.islower()

Output- True

• isupper()- This method returns true if all the characters in a string are uppercase characters else, returns false.

e.g.,

s="python"
s.isupper()

Output- False

• strip()- This method is used to remove extra whitespace from beginning and end of string.

e.g.,

s="      python           "
s.strip()

Output- python

• lstrip()- This method is used to remove extra whitespace from left in string.

e.g.,

s="        python"
s.lstrip()     

output- python

• rstrip()- This method is used to remove extra whitespace from right in string.

e.g.,

s="python      "
s.rstrip()

Output- python

This is all about functions and methods in strings in python.