Floating point number problem...............

[Python-lover]

Hi,    I have a problem in floating point number. I assgined a value, say 1.23456, to a variable. When i printed the variable i got 1.234560000000001 instead of   1.23456. How can i get the original value? Moreover how to have a floating point number that has  only 3 numbers after decimal point even the number has got more digits after the decimal point?  I tried with "round" function but it is rounding the 3rd digit  instead of keeping it as it is.  Thanx.  

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