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Third solution in Clear category for Sum by Type by mikaeldovbnia
def sum_by_types(items):
x = sum(filter(lambda i: isinstance(i, int), items))
y = ''.join(filter(lambda i: type(i) == str, items))
return y, x
if __name__ == "__main__":
print("Example:")
print(sum_by_types([]))
# These "asserts" are used for self-checking and not for an auto-testing
assert sum_by_types([]) == ("", 0)
assert sum_by_types([1, 2, 3]) == ("", 6)
assert sum_by_types(["1", 2, 3]) == ("1", 5)
assert sum_by_types(["1", "2", 3]) == ("12", 3)
assert sum_by_types(["1", "2", "3"]) == ("123", 0)
assert sum_by_types(["size", 12, "in", 45, 0]) == ("sizein", 57)
print("Coding complete? Click 'Check' to earn cool rewards!")
March 22, 2022
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