题目

单项选择题

Question at position 1 Consider the code fragment below. It has a missing piece of code indicated by XXX. Complete the print statement to output: Pi rounded to 3 decimal places is 3.142. pi = 3.141592653589793 print( XXX )"Pi rounded to 3 decimal places is {}.".format(pi:0.3f)"Pi rounded to 3 decimal places is {:.3f}.".format(pi)"Pi rounded to 3 decimal places is {:.3}.".format(pi)"Pi rounded to 3 decimal places is :.3f.".format(pi)Clear my selection

选项

A."Pi rounded to 3 decimal places is {}.".format(pi:0.3f)

B."Pi rounded to 3 decimal places is {:.3f}.".format(pi)

C."Pi rounded to 3 decimal places is {:.3}.".format(pi)

D."Pi rounded to 3 decimal places is :.3f.".format(pi)

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思路分析

We are given a code fragment with a placeholder XXX in a print statement, and we must choose the correct way to format pi to three decimals so that the printed message is: Pi rounded to 3 decimal places is 3.142. Option 1: '"Pi rounded to 3 decimal places is {}.".format(pi:0.3f)' has multiple issues. First, the format string uses {} without a conversion specifier inside the braces, which would just insert the value of pi with default formatting. The segment 'pi:0.3f' appears inside the br......Login to view full explanation

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