#  #

|||
|-----|------|
|int(x [,base ])  |       x  |
|float(x )    |           x  |
|complex(real [,imag ])|    |
|str(x ) |                 x   |
|repr(x ) |                x   |
|eval(str )  |             Python ,  |
|tuple(s )  |              s   |
|list(s )   |              s   |
|chr(x )   |                |
|unichr(x )  |             Unicode   |
|ord(x )     |              |
|hex(x )     |              |
|oct(x )     |              |

 Python 3  int python2  Long