Question

Write the syntax for isalnum( ) method.

Answer 1

•The isalnum() method is used to give "True" or "False".

• If all the characters in the string are alphanumeric it will return TRUE.

• If not then return FALSE.

• Syntax:

name= "RAMESH385"

print (name.isalnum())

Output: True

Answer 2

Syntax for isalnum( ) method

Explanation:

Python isalnum() string method tests whether the string consists of alphanumeric characters or not.

• Syntax - str.isalnum()
• Parameters - Takes no parameters
• Return Value - This method returns true if all characters in the string are alphanumeric and false if at least one character is not alphanumeric.

Example:

• #!/usr/bin/python
• str = "this2020";
• print str.isalnum()
• str = "this is string isalnum() example.";
• print str.isalnum()

The above program gives the following output −

• True
• False