python format float field width

Each value type can define its own “formatting mini-language” or interpretation of the format_spec.. '>' The field will be right-aligned within the available space. Finally, the last character “f” of our placeholder stands for “float”. ... '.format('Python Tutorial', 10) 'Python Tut' >>> Combining truncating and padding. You can invoke format function in one of the following ways: Single argument formatting. You can use string formatting to format floating point numbers to a fixed width in Python.For example, if you want the decimal points to be aligned with width of 12 characters and 2 digits on the right of the decimal, you can use the following: >>>x = 12.35874 >>>print "{:12.2f}".format(x) 12.36 Round Float to Three Decimal Places Using format() of Python. The format_spec field contains a specification of how the value should be presented, including such details as field width, alignment, padding, decimal precision and so on. If the width field is preceded by a zero ('0') character, this enables zero-padding. To convert float to two decimal places, you have to pass the third argument as ‘.3f‘. However, you can convert float to 3 decimal places also. Here are a few of the simple examples of the Python string formatting. For example, if you want the decimal points to be aligned with width of 12 characters and 4 digits on the right of the decimal, you can use the following: >>> x = 12.35874 >>> print "{:12.4f}".format(x) 12.3587 '0' If the width field is preceded by a zero ('0') character, sign-aware zero-padding for numeric types will be enabled. This is the default for numbers. the number following the “.” in our placeholder. The 10.4f part after the colon is the format specification. 'width' is a decimal integer defining the minimum field width. Each replacement field contains either the numeric index of a positional argument or the name of a keyword argument. Python string format Width and Precision ... print '%10f' % 3.1415926 # Field width 10 print '%10.2f' % 3.1415926 # Field width 10, ... floatValue = 123456.789 print "Five digits after decimal in float %.5f" % floatValue The code above generates the following result. The 10 is the total width of the field being printed, lefted-padded by spaces. The format field in the above SF_INFO structure is made up of the bit-wise OR of a major format type (values between 0x10000 and 0x08000000), a minor format type (with values less than 0x10000) and an optional endian-ness value. Python format function. The simplest case while calling the Python format function is to have a single formatter. You can use string formatting to format floating point numbers to a fixed width in Python. The f denotes fixed-point notation. If not specified, then the field width will be determined by the content. The field will be left-aligned within the available space. The empty string before the colon means “take the next provided argument to format()” – in this case the x as the only argument. In this tutorial, you will learn how to convert a number into a floating-point number having a specific number of decimal points in Python programming language . You have to read further to convert the float to 2 decimal places in Python. The string on which this method is called can contain literal text or replacement fields delimited by braces {}. If not specified, then the field width will be determined by the content. The float() function allows the user to convert a given value into a floating-point number. Preceding the width field by a zero (‘0’) character enables sign-aware zero-padding for numeric types. Formatting output using the format method : The format() method was added in Python(2.6). The above example round the float to two decimal places. Width¶ width is a decimal integer defining the minimum field width. 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