How convert string '1e7' to an integer?

MRAB python at mrabarnett.plus.com
Sun Nov 8 02:45:57 CET 2009


Peng Yu wrote:
> It seems that int() does not convert '1e7'. I'm wondering what
> function to use to convert '1e7' to an integer?
> 
>>>> int('1e7')
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ValueError: invalid literal for int() with base 10: '1e7'

In Python the e-form indicates a float, as does the presence of a
decimal point, but you can convert to float and then to int:

 >>> int(float('1e7'))
10000000



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