Python

num = 123.4567
formatted_num = '{0:.2f}'.format(num) # to 2 decimal places
# formatted_num = '123.46'

num = 123.4567
print(round(num, 2))
#2 is the number of decimal digits (after the .)

>>> 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!

print "%.2f" % 5

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