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@PythonPr Answer: 125
Solution: `a` is a string, ie, a sequence of characters.
It has the characters 1, 2, and 3.
These are digits, but `a` is still not treated as a number.
For python to treat it as a number, it needs to be converted to a numeric type.
That is exactly what
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@PythonPr a = "123" # a is a string
b = int(a) # Converts the string "123" to the integer 123
print(b + 2) # 123 + 2 = 125
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