python代码卡住了，求解

m = ['January', 'february', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November',
     'December']
d = ['st', 'nd', 'rd'] + ['th'] * 17 + ['st', 'nd', 'rd'] + ['th'] * 7 + ['st']

# datedata=input()
datedata = '20181011'
print(f"{m[int(datedata[4:6])]}\\{str(datedata[-2:]) + d[int(datedata[-2:])]}\\{datedata[:4]}")

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