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First solution in Speedy category for Is String a Number? by Red_Ale
def is_number(val: str) -> bool:
return val.isdecimal()
print("Example:")
print(is_number("34"))
# These "asserts" are used for self-checking
assert is_number("34") == True
assert is_number("df") == False
assert is_number("") == False
assert is_number("a5") == False
assert is_number("ITS A NUMBER") == False
assert is_number("5a") == False
print("The mission is done! Click 'Check Solution' to earn rewards!")
Dec. 11, 2022
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