Python format decimal

Python 2 decimal places format

>>> foobar = 3.141592
>>> print(f'My number is {foobar:.2f} - look at the nice rounding!')

My number is 3.14 - look at the nice rounding!

Source: stackoverflow.com

Python format only 1 decimal place

>>> "{0:0.1f}".format(45.34531)
'45.3'

Source: stackoverflow.com

Print decimal formatting in python

a_float = 3.14159
formatted_float = "{:.2f}".format(a_float)

Decimal in python

>>> from decimal import *
>>> getcontext().prec = 6
>>> Decimal(1) / Decimal(7)
Decimal('0.142857')
>>> getcontext().prec = 28
>>> Decimal(1) / Decimal(7)
Decimal('0.1428571428571428571428571429')

Source: docs.python.org

Python format decimal

# 2.6 python  and newer and python 3.x
# Put desired number of decimal by changing the number inside {:.2f} bellow;
print(' {:.2f}'.format(71.428571))
71.43
# 2.6 python and older
# Put desired number of decimal by changing the number inside '%.2f' bellow;
print('%.2f'%(71.428571))
71.43

Python 2 decimal places format

print "%.2f" % 5

-1

Source: stackoverflow.com

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