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Let's try something new: find out the length of a number the same way you found out the length of your name.
len(304023) and press Enter:
>>> len(304023) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: object of type 'int' has no len()
You have encountered an error! It says that objects of type 'int' (short for 'integer', a whole number) do not have a length. What can you do now? Maybe you can try writing the number as a string? Strings have length, right?
>>> len("304023") 6
But it can also be done without quotation marks.
There is also a function that converts a number to a string.
>>> str(304023) "304023" >>> len(str(304023)) 6
When entering a number directly, it will probably be more pleasant to use quotation marks.
str function will become more useful when you want to leave the calculation of the number to Python.
>>> str(304023 * 12345 * 83845) '314684030130075' >>> len(str(304023 * 12345 * 83845)) 15
str converting to strings, the
int function converts things to integers.
>>> int("304023") 304023
The number can always be converted to text, but the opposite is not always possible.
What happens when you try to convert a string without digits - for example,