The int() function assumes that the string argument represents the decimal integer by default. ValueError: invalid literal for int() with base 10: 'eleven' Also, print(int(“11.21”)) will result in the Error since the String is an invalid argument to convert to an integer. For example: print(int(11.21)) will print 7. You should remember some of the exceptional cases:Īs an argument, the floating-point(an integer with a fractional part) will return the float rounded down to the nearest whole integer. It will raise the ValueError exception if any digit does not belong to a decimal number system. To convert the hexadecimal number to an integer, you will not have to pass the argument base=16 in the int() function. The ValueError exception occurs if the String you want to convert does not represent any numbers. While converting from String to int, you may get a ValueError exception. But one thing you need to keep in mind is that the output integer is always in base 10.Īnother thing you need to remember is that a given base must be between 2 to 32. If a string you want to convert belongs to a different number base other than base 10, you can specify that base for that conversion. If your String does not have decimal places, you will probably want to convert it to an integer using the int() method. Strings can be transformed into numbers using the int() and float() methods. #app.pyĬonverting str to int from different base These types offer flexibility for working with integers in different circumstances. You can see that we converted a string to an integer in Python. To convert the number represented in a string to int, you must use the int() function. Python also offers a handy built-in function, which takes a String object as an argument and returns the corresponding integer object. We have taken the different types of variables and printed them on the Python Console. To check the data type of a variable, use the type()function. Python defines type conversion functions to convert one data type to another, useful in day-to-day and competitive programming. To convert a string to an integer with a different base in Python, pass the string to the int() method, which returns a decimal integer. Python string to int with different bases Complex numbers are not used much in Python programming. The real part of the number is a, and the imaginary part is b. Floats may also be in scientific notation, with E or e indicating the power of 10 (2.5e2 = 2.5 x 10 2 = 250).Ĭomplex (complex numbers) − are of the form a + bJ, where a and b are floats, and J (or j) represents the square root of -1 (which is an imaginary number).
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