可以使用Python中的内置函数round()实现该功能。具体代码如下所示:
def round_to_2_decimal_places_even_with_zeros(num): return round(num, 2)
print(round_to_2_decimal_places_even_with_zeros(3.1415926)) # 输出3.14 print(round_to_2_decimal_places_even_with_zeros(3.1400000)) # 输出3.14