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In python, you can use the built-in function int() function to convert binary to decimal; the int() function can convert a numeric string or decimal number in a specified base into an integer. . (Recommended learning: python video tutorial)
Syntax:
int(object,base)
Return value: Return integer data.
Note: When converting floating point numbers to integer data, no matter what the decimal part of the floating point number is, the int() function will only retain the integer part and round off the decimal part. go. Therefore, when solving problems such as rounding of floating point numbers, you should avoid using the int function directly.
Example 1: Convert a binary number to a decimal number
test = ['111011011111', '0b101'] for number in test: print(int(number, 2))
Output:
3807 5
Example 2: Convert an octal number Convert to decimal number
test = ['-1537202', '0o147'] for number in test: print(int(number, 8))
Output:
-441986 103
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