homework
Create a function that returns True
if the given string has any of the following:
Only letters and no numbers.
Only numbers and no letters.
If a string has both numbers and letters or contains characters that don't fit into any category, return False
.
Examples:
csAlphanumericRestriction("Bold") ➞ True
csAlphanumericRestriction("123454321") ➞ True
csAlphanumericRestriction("H3LL0") ➞ False
Notes:
Any string that contains spaces or is empty should return
False
.[execution time limit] 4 seconds (py3)
[input] string input_str
[output] boolean
Last updated