I can't understand why the code does not pass the
I can't understand why the code does not pass the test, tell me
def isallupper(text: str) -> bool: # your code here
if text != '': b = text.isupper() return b if text == '': b = '' in text return b
if name == 'main': print("Example:") print(isallupper('ALL UPPER'))
# These "asserts" are used for self-checking and not for an auto-testing assert is_all_upper('ALL UPPER') == True assert is_all_upper('all lower') == False assert is_all_upper('mixed UPPER and lower') == False assert is_all_upper('') == True print("Coding complete? Click 'Check' to earn cool rewards!")