{"id":1168340,"date":"2025-01-15T15:56:53","date_gmt":"2025-01-15T07:56:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1168340.html"},"modified":"2025-01-15T15:56:56","modified_gmt":"2025-01-15T07:56:56","slug":"python3-%e5%88%86%e6%95%b0%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1168340.html","title":{"rendered":"python3 \u5206\u6570\u5982\u4f55\u8f93\u51fa"},"content":{"rendered":"

\"python3<\/p>\n

\u8981\u5728Python3\u4e2d\u8f93\u51fa\u5206\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528fractions<\/code>\u6a21\u5757\uff0c\u8be5\u6a21\u5757\u63d0\u4f9b\u4e86\u5904\u7406\u5206\u6570\u7684\u652f\u6301\u3002\u901a\u8fc7\u521b\u5efaFraction\u5bf9\u8c61\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u8f93\u51fa\u3001\u4ee5\u53ca\u6df7\u5408\u5206\u6570\u7684\u8868\u793a<\/strong>\uff0c\u90fd\u53ef\u4ee5\u5b9e\u73b0\u5206\u6570\u7684\u8f93\u51fa\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8be6\u7ec6\u7684\u89e3\u91ca\uff1a<\/p>\n<\/p>\n

\u521b\u5efaFraction\u5bf9\u8c61\uff1a<\/p>\n<\/p>\n

from fractions import Fraction<\/p>\n
\u521b\u5efa\u5206\u6570\u5bf9\u8c61<\/strong><\/h2>\n
fraction1 = Fraction(3, 4)<\/p>\n
fraction2 = Fraction(5, 6)<\/p>\n
print(fraction1)  # \u8f93\u51fa: 3\/4<\/p>\n
print(fraction2)  # \u8f93\u51fa: 5\/6<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Fraction<\/code>\u7c7b\u521b\u5efa\u4e00\u4e2a\u5206\u6570\u5bf9\u8c61\uff0c\u8fd9\u4e2a\u7c7b\u53ef\u4ee5\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u5206\u522b\u662f\u5206\u5b50\u548c\u5206\u6bcd\u3002\u4f7f\u7528\u8fd9\u4e2a\u7c7b\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u5206\u6570\u7684\u52a0\u51cf\u4e58\u9664\u7b49\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u521b\u5efa\u548c\u8f93\u51fa\u5206\u6570<\/h3>\n<\/p>\n
1\u3001\u901a\u8fc7\u5206\u5b50\u548c\u5206\u6bcd\u521b\u5efa\u5206\u6570<\/h4>\n<\/p>\n
Fraction<\/code>\u7c7b\u5141\u8bb8\u4f60\u901a\u8fc7\u5206\u5b50\u548c\u5206\u6bcd\u521b\u5efa\u5206\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from fractions import Fraction<\/p>\n
fraction = Fraction(3, 4)<\/p>\n
print(fraction)  # \u8f93\u51fa: 3\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5206\u65703\/4<\/code>\uff0c\u5e76\u5c06\u5176\u6253\u5370\u51fa\u6765\u3002Fraction<\/code>\u7c7b\u81ea\u52a8\u5c06\u5206\u6570\u5316\u7b80\u5230\u6700\u7b80\u5f62\u5f0f\u3002<\/p>\n<\/p>\n
2\u3001\u901a\u8fc7\u5b57\u7b26\u4e32\u521b\u5efa\u5206\u6570<\/h4>\n<\/p>\n
\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u6765\u521b\u5efa\u5206\u6570\uff0c\u8fd9\u79cd\u65b9\u5f0f\u6709\u52a9\u4e8e\u5904\u7406\u6765\u81ea\u6587\u672c\u8f93\u5165\u7684\u5206\u6570\uff1a<\/p>\n<\/p>\n
fraction = Fraction('3\/4')<\/p>\n
print(fraction)  # \u8f93\u51fa: 3\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u4f60\u66f4\u7075\u6d3b\u5730\u5904\u7406\u8f93\u5165\uff0c\u7279\u522b\u662f\u5728\u7528\u6237\u8f93\u5165\u7684\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5206\u6570\u7684\u8fd0\u7b97<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u7684\u52a0\u51cf\u8fd0\u7b97<\/h4>\n<\/p>\n
Fraction<\/code>\u7c7b\u652f\u6301\u57fa\u672c\u7684\u52a0\u51cf\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction1 = Fraction(3, 4)<\/p>\n
fraction2 = Fraction(1, 2)<\/p>\n
sum_fraction = fraction1 + fraction2<\/p>\n
print(sum_fraction)  # \u8f93\u51fa: 5\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u4e24\u4e2a\u5206\u6570\u76f8\u52a0\uff0c\u5e76\u5f97\u5230\u4e86\u7ed3\u679c5\/4<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u5206\u6570\u7684\u4e58\u9664\u8fd0\u7b97<\/h4>\n<\/p>\n
\u540c\u6837\u5730\uff0cFraction<\/code>\u7c7b\u4e5f\u652f\u6301\u4e58\u9664\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
product_fraction = fraction1 * fraction2<\/p>\n
print(product_fraction)  # \u8f93\u51fa: 3\/8<\/p>\n
quotient_fraction = fraction1 \/ fraction2<\/p>\n
print(quotient_fraction)  # \u8f93\u51fa: 3\/2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e9b\u8fd0\u7b97\u7ed3\u679c\u4e5f\u4f1a\u81ea\u52a8\u5316\u7b80\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u683c\u5f0f\u5316\u8f93\u51fa\u5206\u6570<\/h3>\n<\/p>\n
1\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u6765\u63a7\u5236\u5206\u6570\u7684\u8f93\u51fa\u683c\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(5, 8)<\/p>\n
print(f"The fraction is {fraction}")  # \u8f93\u51fa: The fraction is 5\/8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5c06\u5206\u6570\u5d4c\u5165\u5230\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u4e2d\uff0c\u4fbf\u4e8e\u7528\u6237\u9605\u8bfb\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528\u6df7\u5408\u5206\u6570<\/h4>\n<\/p>\n
\u6709\u65f6\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u5206\u6570\u8868\u793a\u4e3a\u6df7\u5408\u5206\u6570\uff08\u6574\u6570\u90e8\u5206\u548c\u5206\u6570\u90e8\u5206\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n
def mixed_fraction(fraction):<\/p>\n
    integer_part = fraction.numerator \/\/ fraction.denominator<\/p>\n
    fractional_part = Fraction(fraction.numerator % fraction.denominator, fraction.denominator)<\/p>\n
    return integer_part, fractional_part<\/p>\n
fraction = Fraction(7, 4)<\/p>\n
integer_part, fractional_part = mixed_fraction(fraction)<\/p>\n
print(f"{integer_part} and {fractional_part}")  # \u8f93\u51fa: 1 and 3\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570mixed_fraction<\/code>\uff0c\u5b83\u5c06\u5206\u6570\u5206\u89e3\u4e3a\u6574\u6570\u90e8\u5206\u548c\u5206\u6570\u90e8\u5206\uff0c\u5e76\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5206\u6570\u7684\u6bd4\u8f83<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u7684\u76f8\u7b49\u6bd4\u8f83<\/h4>\n<\/p>\n
Fraction<\/code>\u7c7b\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u8fdb\u884c\u76f8\u7b49\u6bd4\u8f83\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction1 = Fraction(2, 3)<\/p>\n
fraction2 = Fraction(4, 6)<\/p>\n
print(fraction1 == fraction2)  # \u8f93\u51fa: True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u6bd4\u8f83\u4e86\u4e24\u4e2a\u5206\u6570\uff0c\u5c3d\u7ba1\u5b83\u4eec\u7684\u5206\u5b50\u548c\u5206\u6bcd\u4e0d\u540c\uff0c\u4f46\u5b83\u4eec\u7684\u503c\u662f\u76f8\u7b49\u7684\u3002<\/p>\n<\/p>\n
2\u3001\u5206\u6570\u7684\u5927\u5c0f\u6bd4\u8f83<\/h4>\n<\/p>\n
\u540c\u6837\u5730\uff0c\u53ef\u4ee5\u4f7f\u7528<<\/code>\u3001><\/code>\u3001<=<\/code>\u548c>=<\/code>\u8fd0\u7b97\u7b26\u8fdb\u884c\u5927\u5c0f\u6bd4\u8f83\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction1 = Fraction(3, 4)<\/p>\n
fraction2 = Fraction(2, 3)<\/p>\n
print(fraction1 > fraction2)  # \u8f93\u51fa: True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u6bd4\u8f83\u4e86\u4e24\u4e2a\u5206\u6570\uff0c\u5f97\u5230\u4e86\u6b63\u786e\u7684\u6bd4\u8f83\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5206\u6570\u4e0e\u6d6e\u70b9\u6570\u7684\u8f6c\u6362<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528float<\/code>\u51fd\u6570\u5c06\u5206\u6570\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(3, 4)<\/p>\n
print(float(fraction))  # \u8f93\u51fa: 0.75<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8f6c\u6362\u975e\u5e38\u6709\u7528\uff0c\u5f53\u4f60\u9700\u8981\u8fdb\u884c\u6d6e\u70b9\u8fd0\u7b97\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
2\u3001\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u5206\u6570<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528Fraction<\/code>\u7c7b\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u5206\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(0.75)<\/p>\n
print(fraction)  # \u8f93\u51fa: 3\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8f6c\u6362\u4f1a\u81ea\u52a8\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6700\u7b80\u5206\u6570\u5f62\u5f0f\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5206\u6570\u7684\u7ea6\u7b80<\/h3>\n<\/p>\n
1\u3001\u81ea\u52a8\u7ea6\u7b80<\/h4>\n<\/p>\n
Fraction<\/code>\u7c7b\u5728\u521b\u5efa\u5206\u6570\u65f6\u4f1a\u81ea\u52a8\u8fdb\u884c\u7ea6\u7b80\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(10, 20)<\/p>\n
print(fraction)  # \u8f93\u51fa: 1\/2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5206\u657010\/20<\/code>\u88ab\u81ea\u52a8\u7ea6\u7b80\u4e3a1\/2<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u624b\u52a8\u7ea6\u7b80<\/h4>\n<\/p>\n
\u5c3d\u7ba1Fraction<\/code>\u7c7b\u4f1a\u81ea\u52a8\u7ea6\u7b80\uff0c\u4f46\u4f60\u4e5f\u53ef\u4ee5\u624b\u52a8\u7ea6\u7b80\u5206\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def manual_reduce(fraction):<\/p>\n
    gcd = math.gcd(fraction.numerator, fraction.denominator)<\/p>\n
    return Fraction(fraction.numerator \/\/ gcd, fraction.denominator \/\/ gcd)<\/p>\n
fraction = Fraction(10, 20)<\/p>\n
reduced_fraction = manual_reduce(fraction)<\/p>\n
print(reduced_fraction)  # \u8f93\u51fa: 1\/2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570manual_reduce<\/code>\uff0c\u5b83\u624b\u52a8\u5c06\u5206\u6570\u7ea6\u7b80\u4e3a\u6700\u7b80\u5f62\u5f0f\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5206\u6570\u7684\u5e38\u89c1\u5e94\u7528<\/h3>\n<\/p>\n
1\u3001\u8ba1\u7b97\u6bd4\u4f8b<\/h4>\n<\/p>\n
\u5206\u6570\u5728\u8ba1\u7b97\u6bd4\u4f8b\u65f6\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
total = Fraction(3, 4) + Fraction(1, 4)<\/p>\n
print(total)  # \u8f93\u51fa: 1<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u8ba1\u7b97\u4e86\u4e24\u4e2a\u5206\u6570\u7684\u548c\uff0c\u5f97\u5230\u4e86\u7ed3\u679c1<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u79d1\u5b66\u8ba1\u7b97<\/h4>\n<\/p>\n
\u5728\u79d1\u5b66\u8ba1\u7b97\u4e2d\uff0c\u5206\u6570\u53ef\u4ee5\u7528\u4e8e\u7cbe\u786e\u8ba1\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
result = Fraction(1, 3)  2<\/p>\n
print(result)  # \u8f93\u51fa: 1\/9<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u8ba1\u7b97\u4e86\u5206\u65701\/3<\/code>\u7684\u5e73\u65b9\uff0c\u5f97\u5230\u4e86\u7ed3\u679c1\/9<\/code>\u3002<\/p>\n<\/p>\n
\u516b\u3001\u5206\u6570\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u7684\u5e8f\u5217\u5316<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5c06\u5206\u6570\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u8fdb\u884c\u5e8f\u5217\u5316\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(3, 4)<\/p>\n
serialized_fraction = str(fraction)<\/p>\n
print(serialized_fraction)  # \u8f93\u51fa: 3\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5c06\u5206\u6570\u4fdd\u5b58\u5230\u6587\u4ef6\u6216\u53d1\u9001\u5230\u7f51\u7edc\u3002<\/p>\n<\/p>\n
2\u3001\u5206\u6570\u7684\u53cd\u5e8f\u5217\u5316<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u56de\u5206\u6570\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
serialized_fraction = "3\/4"<\/p>\n
fraction = Fraction(serialized_fraction)<\/p>\n
print(fraction)  # \u8f93\u51fa: 3\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u4ece\u6587\u4ef6\u6216\u7f51\u7edc\u8bfb\u53d6\u5206\u6570\u6570\u636e\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u5206\u6570\u7684\u683c\u5f0f\u5316\u8f93\u51fa<\/h3>\n<\/p>\n
1\u3001\u4f7f\u7528f-string\u683c\u5f0f\u5316<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528f-string\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(5, 8)<\/p>\n
print(f"Formatted fraction: {fraction}")  # \u8f93\u51fa: Formatted fraction: 5\/8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5c06\u5206\u6570\u5d4c\u5165\u5230\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u4e2d\uff0c\u4fbf\u4e8e\u7528\u6237\u9605\u8bfb\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528\u683c\u5f0f\u5316\u65b9\u6cd5<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684format<\/code>\u65b9\u6cd5\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(5, 8)<\/p>\n
print("Formatted fraction: {}".format(fraction))  # \u8f93\u51fa: Formatted fraction: 5\/8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u4e0ef-string\u7c7b\u4f3c\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u66f4\u7075\u6d3b\u3002<\/p>\n<\/p>\n
\u5341\u3001\u5206\u6570\u4e0e\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u7684\u8f6c\u6362<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u8f6c\u6362\u4e3a\u6574\u6570<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528int<\/code>\u51fd\u6570\u5c06\u5206\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(5, 2)<\/p>\n
print(int(fraction))  # \u8f93\u51fa: 2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8f6c\u6362\u4f1a\u5c06\u5206\u6570\u622a\u65ad\u4e3a\u6574\u6570\u90e8\u5206\u3002<\/p>\n<\/p>\n
2\u3001\u5206\u6570\u8f6c\u6362\u4e3a\u5c0f\u6570<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528float<\/code>\u51fd\u6570\u5c06\u5206\u6570\u8f6c\u6362\u4e3a\u5c0f\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(5, 8)<\/p>\n
print(float(fraction))  # \u8f93\u51fa: 0.625<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8f6c\u6362\u4f1a\u5c06\u5206\u6570\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u8868\u793a\u3002<\/p>\n<\/p>\n
3\u3001\u6574\u6570\u548c\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u5206\u6570<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528Fraction<\/code>\u7c7b\u5c06\u6574\u6570\u548c\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u5206\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
integer = 5<\/p>\n
fraction_from_integer = Fraction(integer)<\/p>\n
print(fraction_from_integer)  # \u8f93\u51fa: 5<\/p>\n
float_number = 0.625<\/p>\n
fraction_from_float = Fraction(float_number)<\/p>\n
print(fraction_from_float)  # \u8f93\u51fa: 5\/8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8f6c\u6362\u53ef\u4ee5\u5c06\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3a\u5206\u6570\u8868\u793a\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u5206\u6570\u7684\u5b57\u7b26\u4e32\u8868\u793a<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u7684\u6807\u51c6\u5b57\u7b26\u4e32\u8868\u793a<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528str<\/code>\u51fd\u6570\u5c06\u5206\u6570\u8f6c\u6362\u4e3a\u6807\u51c6\u5b57\u7b26\u4e32\u8868\u793a\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(3, 4)<\/p>\n
print(str(fraction))  # \u8f93\u51fa: 3\/4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8868\u793a\u65b9\u5f0f\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u5206\u6570\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u6216\u65e5\u5fd7\u4e2d\u3002<\/p>\n<\/p>\n
2\u3001\u81ea\u5b9a\u4e49\u5206\u6570\u7684\u5b57\u7b26\u4e32\u8868\u793a<\/h4>\n<\/p>\n
\u53ef\u4ee5\u81ea\u5b9a\u4e49\u5206\u6570\u7684\u5b57\u7b26\u4e32\u8868\u793a\u65b9\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
class CustomFraction(Fraction):<\/p>\n
    def __str__(self):<\/p>\n
        return f"{self.numerator} over {self.denominator}"<\/p>\n
fraction = CustomFraction(3, 4)<\/p>\n
print(fraction)  # \u8f93\u51fa: 3 over 4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6839\u636e\u9700\u8981\u81ea\u5b9a\u4e49\u5206\u6570\u7684\u5b57\u7b26\u4e32\u8868\u793a\uff0c\u4f7f\u5176\u66f4\u7b26\u5408\u7279\u5b9a\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u5206\u6570\u7684\u8f93\u5165\u4e0e\u9a8c\u8bc1<\/h3>\n<\/p>\n
1\u3001\u4ece\u7528\u6237\u8f93\u5165\u8bfb\u53d6\u5206\u6570<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4ece\u7528\u6237\u8f93\u5165\u8bfb\u53d6\u5206\u6570\uff0c\u5e76\u8fdb\u884c\u9a8c\u8bc1\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
user_input = input("Enter a fraction (e.g., 3\/4): ")<\/p>\n
try:<\/p>\n
    fraction = Fraction(user_input)<\/p>\n
    print(f"Valid fraction: {fraction}")<\/p>\n
except ValueError:<\/p>\n
    print("Invalid fraction format.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u5206\u6570\u683c\u5f0f\u6b63\u786e\uff0c\u5e76\u5904\u7406\u4e0d\u6b63\u786e\u7684\u8f93\u5165\u3002<\/p>\n<\/p>\n
2\u3001\u9a8c\u8bc1\u5206\u6570\u7684\u6709\u6548\u6027<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u5206\u6570\u7684\u6709\u6548\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
def is_valid_fraction(fraction_str):<\/p>\n
    return re.match(r'^\\d+\/\\d+$', fraction_str) is not None<\/p>\n
user_input = input("Enter a fraction (e.g., 3\/4): ")<\/p>\n
if is_valid_fraction(user_input):<\/p>\n
    fraction = Fraction(user_input)<\/p>\n
    print(f"Valid fraction: {fraction}")<\/p>\n
else:<\/p>\n
    print("Invalid fraction format.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5728\u521b\u5efa\u5206\u6570\u5bf9\u8c61\u4e4b\u524d\u9a8c\u8bc1\u8f93\u5165\u7684\u6709\u6548\u6027\u3002<\/p>\n<\/p>\n
\u5341\u4e09\u3001\u5206\u6570\u7684\u7b80\u5316\u4e0e\u6269\u5c55<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u7684\u7b80\u5316<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528Fraction<\/code>\u7c7b\u81ea\u52a8\u7b80\u5316\u5206\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(10, 20)<\/p>\n
print(fraction)  # \u8f93\u51fa: 1\/2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u5206\u6570\u59cb\u7ec8\u5904\u4e8e\u6700\u7b80\u5f62\u5f0f\u3002<\/p>\n<\/p>\n
2\u3001\u5206\u6570\u7684\u6269\u5c55<\/h4>\n<\/p>\n
\u53ef\u4ee5\u624b\u52a8\u6269\u5c55\u5206\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def extend_fraction(fraction, factor):<\/p>\n
    return Fraction(fraction.numerator * factor, fraction.denominator * factor)<\/p>\n
fraction = Fraction(1, 2)<\/p>\n
extended_fraction = extend_fraction(fraction, 3)<\/p>\n
print(extended_fraction)  # \u8f93\u51fa: 3\/6<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6269\u5c55\u5206\u6570\u7684\u5206\u5b50\u548c\u5206\u6bcd\u3002<\/p>\n<\/p>\n
\u5341\u56db\u3001\u5206\u6570\u7684\u6570\u5b66\u5e94\u7528<\/h3>\n<\/p>\n
1\u3001\u5206\u6570\u7684\u5e42\u8fd0\u7b97<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528<\/code>\u8fd0\u7b97\u7b26\u8fdb\u884c\u5206\u6570\u7684\u5e42\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
fraction = Fraction(2, 3)<\/p>\n
result = fraction  2<\/p>\n
print(result)  # \u8f93\u51fa: 4\/9<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8fd0\u7b97\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u5206\u6570\u7684\u4e58\u65b9\u3002<\/p>\n<\/p>\n
2\u3001\u5206\u6570\u7684\u5f00\u65b9\u8fd0\u7b97<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528math<\/code>\u6a21\u5757\u8fdb\u884c\u5206\u6570\u7684\u5f00\u65b9\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import math<\/p>\n
fraction = Fraction(4, 9)<\/p>\n
result = Fraction(math.sqrt(fraction.numerator), math.sqrt(fraction.denominator))<\/p>\n
print(result)  # \u8f93\u51fa: 2\/3<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u8fd0\u7b97\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u5206\u6570\u7684\u5e73\u65b9\u6839\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9\uff0c\u4f60\u53ef\u4ee5\u5168\u9762\u638c\u63e1Python3\u4e2d\u5206\u6570\u7684\u521b\u5efa\u3001\u8fd0\u7b97\u3001\u683c\u5f0f\u5316\u8f93\u51fa\u3001\u6bd4\u8f83\u3001\u8f6c\u6362\u3001\u7b80\u5316\u3001\u6269\u5c55\u4ee5\u53ca\u5728\u6570\u5b66\u548c\u79d1\u5b66\u8ba1\u7b97\u4e2d\u7684\u5e94\u7528\u3002\u540c\u65f6\uff0c\u4e86\u89e3\u5982\u4f55\u5904\u7406\u7528\u6237\u8f93\u5165\u5e76\u9a8c\u8bc1\u5206\u6570\u7684\u6709\u6548\u6027\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python3\u4e2d\u683c\u5f0f\u5316\u8f93\u51fa\u5206\u6570\uff1f<\/strong>
\u5728Python3\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528fractions<\/code>\u6a21\u5757\u6765\u5904\u7406\u5206\u6570\u3002\u901a\u8fc7\u5bfc\u5165\u8be5\u6a21\u5757\uff0c\u53ef\u4ee5\u521b\u5efa\u5206\u6570\u5bf9\u8c61\u5e76\u4f7f\u7528format<\/code>\u51fd\u6570\u6216f-string\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u4f8b\u5982\uff1a  <\/p>\n
from fractions import Fraction\n\nfrac = Fraction(3, 4)\nprint(f"The formatted fraction is: {frac}")\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u8f93\u51fa\u5206\u6570\u7684\u6807\u51c6\u5f62\u5f0f\u3002<\/p>\n
Python3\u53ef\u4ee5\u5904\u7406\u54ea\u4e9b\u7c7b\u578b\u7684\u5206\u6570\uff1f<\/strong>
Python3\u7684fractions<\/code>\u6a21\u5757\u53ef\u4ee5\u5904\u7406\u6b63\u5206\u6570\u3001\u8d1f\u5206\u6570\u548c\u5047\u5206\u6570\u3002\u6a21\u5757\u80fd\u591f\u81ea\u52a8\u5316\u7b80\u5206\u6570\uff0c\u786e\u4fdd\u8f93\u51fa\u603b\u662f\u4ee5\u6700\u7b80\u5f62\u5f0f\u5c55\u73b0\u3002\u4f8b\u5982\uff0cFraction(6, 8)<\/code>\u4f1a\u81ea\u52a8\u7b80\u5316\u4e3aFraction(3, 4)<\/code>\u3002<\/p>\n
\u5982\u4f55\u5c06\u5c0f\u6570\u8f6c\u6362\u4e3a\u5206\u6570\u5e76\u8f93\u51fa\uff1f<\/strong>
\u5728Python3\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Fraction<\/code>\u7c7b\u5c06\u5c0f\u6570\u8f6c\u6362\u4e3a\u5206\u6570\u3002\u53ea\u9700\u4f20\u5165\u5c0f\u6570\u503c\uff0c\u6a21\u5757\u4f1a\u81ea\u52a8\u8ba1\u7b97\u5e76\u8fd4\u56de\u76f8\u5e94\u7684\u5206\u6570\u3002\u4f8b\u5982\uff1a  <\/p>\n
decimal_value = 0.75\nfrac = Fraction(decimal_value).limit_denominator()\nprint(f"The fraction representation of {decimal_value} is: {frac}")\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u4fbf\u6377\u5730\u5c06\u5c0f\u6570\u8f6c\u5316\u4e3a\u5206\u6570\u5f62\u5f0f\u5e76\u8f93\u51fa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u5728Python3\u4e2d\u8f93\u51fa\u5206\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528fractions\u6a21\u5757\uff0c\u8be5\u6a21\u5757\u63d0\u4f9b\u4e86\u5904\u7406\u5206\u6570\u7684\u652f\u6301\u3002\u901a\u8fc7\u521b\u5efaFracti […]","protected":false},"author":3,"featured_media":1168355,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1168340"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1168340"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1168340\/revisions"}],"predecessor-version":[{"id":1168358,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1168340\/revisions\/1168358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1168355"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1168340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1168340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1168340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}