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num = 123.4567
print(round(num, 2))
#2 is the number of decimal digits (after the .)
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num = 123.4567
formatted_num = '{0:.2f}'.format(num) # to 2 decimal places
# formatted_num = '123.46'
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>>> 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!
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a_float = 3.14159
limited_float = round(a_float, 2)
str_float_2dp = str(limited_float)