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"All Upper I" solution in Uncategorized category for All Upper I by Mateusz_Wryszcz
def is_all_upper(text: str) -> bool:
if not text:
return True
for ch in text:
if ch.isalpha() and ch.islower():
return False
return True
print("Example:")
print(is_all_upper("ALL UPPER"))
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
assert is_all_upper("444") == True
assert is_all_upper("55 55 5 ") == True
print("The mission is done! Click 'Check Solution' to earn rewards!")
Dec. 30, 2022
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