Python Tutorial ( PDFDrive )

Parameters
• NA
Return Value
This method returns true if all characters in the string are alphabetic and there is at least one character, false
otherwise.
Example
The following example shows the usage of isalpha() method.
#!/usr/bin/python
str = "this"; # No space & digit in this string
print str.isalpha();
str = "this is string example....wow!!!";
print str.isalpha();
Let us compile and run the above program, this will produce the following result:
True
False
isdigit()
Description
The method isdigit() checks whether the string consists of digits only.
Syntax
Following is the syntax for isdigit() method:
str.isdigit()
Parameters
• NA
Return Value
This method returns true if all characters in the string are digits and there is at least one character, false
otherwise.
Example
The following example shows the usage of isdigit() method.
#!/usr/bin/python
str = "123456"; # Only digit in this string
print str.isdigit();
str = "this is string example....wow!!!";
print str.isdigit();
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