What are type codes in Python?
Arrays in python behave very similar to lists but they have the same data type of values stored in it. The data type is specified at the array creation time by using a single character is called the type code.
Below is the table for type codes, used for defining arrays in python, and their corresponding C++ data type.
| Type Code | C++ Type | Python Type | Minimum Sizes in Bytes |
|---|---|---|---|
| ‘c’ | char | character | 1 |
| ‘b’ | signed char | int | 1 |
| ‘B’ | unsigned char | int | 1 |
| ‘u’ | Py_UNICODE | unicode character | 2 |
| ‘h’ | signed short | int | 2 |
| ‘H’ | unsigned short | int | 2 |
| ‘i’ | signed int | int | 2 |
| ‘I’ | unsigned int | long | 2 |
| ‘l’ | signed long | int | 4 |
| ‘L’ | unsigned long | long | 4 |
| ‘f’ | float | float | 4 |
| ‘d’ | double | float | 8 |
Below is an example of an array, of type char in C++ and character in python.
import array as arr #importing array modulea = arr.array('c',['a','e','i','o','u']) #defining array of type char and size 5print(a) # printing value at 2nd index
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