Python String islower() method

Python String islower() method

The string.islower() method returns a boolean value true if all cased characters in the string are lowercase and for  any other value is returns false otherwise.

Syntax

 string.islower()

Parameter

NA

Return

This method returns a boolean value true if all cased characters in the string are lowercase else for any other value it returns false.

Example 1

 # Python program explaining
 # the islower() method
 # initializing the string value
 strVal = "aagdhd"
 # checking whether the passed string is in a lower case or not
 result = strVal.islower()
 # printing the islower() result
 print("The islower() method returns: ",result) 

Output

The islower() method returns:  True

Example 2

 # Python program explaining
 # the islower() method
 # initialising the string value
 strVal = "REEMAisgoodgirl"
 print("String 1:",strVal)
 # validating if and else condition
 if strVal.islower() == True:
    print("All characters of specified string are in lower case.")
 else:
     print("All the characters are not in lower case.")
 # passing another string
 strVal1="reemaisgoodgirl"
 print("String 2:",strVal1)
 # again validating if and else condition
 if strVal1.islower() == True:
    print("All characters of specified string are in lower case.")
 else:
     print("All the characters are not in lower case.") 

Output

 String 1: REEMAisgoodgirl
 All the characters are not in lower case.
 String 2: reemaisgoodgirl
 All characters of specified string are in lower case.