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rstrip(): The rstrip() function removes any trailing whitespace (or specified characters) from
the string.
Syntax of using rstrip() function is:
string_name.rstrip()
isupper(): The isupper() function checks whether all the characters in the string are uppercase
letters.
Syntax of using isupper() function is:
string_name.isupper()
islower(): The islower() function checks whether all the characters in the string are lowercase
letters.
Syntax of using islower() function is:
string_name.islower()
isdigit(): The isdigit() function checks whether all the characters in the string are numeric
digits.
Syntax of using isdigit() function is:
string_name.isdigit()
isalpha(): The isalpha() function checks whether all the characters in the string are alphabetic
(letters only).
Syntax of using isalpha() function is:
string_name.isalpha()
isalnum(): The isalnum() function checks whether all the characters in the string are
alphanumeric (letters or digits).
Syntax of using isalnum() function is:
string_name.isalnum()
find(): The find() function returns the index of the first occurrence of a specified substring in
the string. If the substring is not found, it returns -1.
Syntax of using find() function is:
string_name.find(substring)
del statement: The del statement is used to delete an entire string (not part of a string).
Syntax of using del sattement function is:
del variable_name
String Handling in Python 71

