isalnum() - Returns True if all characters in the string are alphanumeric
Returns True if all the characters in the string are alphanumeric. This would be a-z, A-Z, and 0-9. Punctuation, spaces, symbols, and other characters are not considered a letter or a number.
str1 = 'Abc123' str2 = "Hello World!!!!" print(str1.isalnum()) print(str2.isalnum())