June 2001
Intermediate to advanced
416 pages
10h 24m
English
Content preview from Python Essential Reference, Second Edition
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Mathematics
The modules in this section provide a variety of mathematical functions.
array
The array module defines a new object type ArrayType that works almost exactly like other sequence types except that its contents are constrained to a single type. The type of an array is determined at the time of creation, using one of the following typecodes:
| Type Code | Description | C Type | Minimum Size (in bytes) |
|---|---|---|---|
| 'c' | 8-bit character | char | 1 |
| 'b' | 8-bit integer | signedchar | 1 |
| 'B' | 8-bit unsigned integer | unsignedchar | 1 |
| 'h' | 16-bit integer | short | 2 |
| 'H' | 16-bit unsigned integer | unsignedshort | 2 |
| 'i' | integer | int | 4 or 8 |
| 'I' | unsigned integer | unsigned int | 4 or 8 |
| 'l' | long integer | long | 4 or 8 |
| 'L' | unsigned long integer | unsigned long | 4 or 8 |
| 'f' | single-precision float | float ... |
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.