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Python String isupper() MethodPython isupper() method returns True if all characters in the string are in uppercase. It returns False if characters are not in uppercase. Signatureisupper() ParametersNo parameter is required. ReturnIt returns either True or False. Let's see some examples of isupper() method to understand it's functionalities. Python String isupper() Method Example 1# Python isupper() method example # Variable declaration str = "WELCOME TO JAVATPOINT" # Calling function str2 = str.isupper() # Displaying result print(str2) Output: True Python String isupper() Method Example 2# Python isupper() method example str = "WELCOME TO JAVATPOINT" str2 = str.isupper() print(str2) str3 = "Learn Java Here." str4 = str3.isupper() print(str4) Output: True False Python String isupper() Method Example 3# Python isupper() method example str = "WELCOME TO JAVATPOINT" str2 = str.isupper() print(str2) str3 = "WELCOME To JAVATPOINT." str4 = str3.isupper() print(str4) str5 = "123 @#$ -JAVA." str6 = str5.isupper() print(str6) Output: True False True
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