Python string method islower() checks whether all the case-based characters (letters) of the string are lowercase.
Following is the syntax for islower() method −
str.islower()
NA
This method returns true if all cased characters in the string are lowercase and there is at least one cased character, false otherwise.
The following example shows the usage of islower() method.
#!/usr/bin/python str = "THIS is string example....wow!!!"; print str.islower() str = "this is string example....wow!!!"; print str.islower()
When we run above program, it produces following result −
False True