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First solution in Clear category for Is String a Number? by dig
def is_number(val: str) -> bool:
try:
int(val)
return isinstance(int(val), int)
except ValueError:
return False
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
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Feb. 6, 2023
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