在下面的列表中,我想將“Sun”替換為 0,將“Rain”替換為 1。我該怎么做?precipitation = ["Sun", "Rain", "Rain", "Sun", "Sun", "Sun", "Sun", "Sun", "Sun", "Sun", "Rain", "Rain", "Rain", "Rain"]for i in precipitation: if precipitation[i] == "Sun": precipitation[i] = 0 else: precipitation[i] = 1
4 回答

慕田峪7331174
TA貢獻1828條經驗 獲得超13個贊
您可以使用列表理解來做到這一點:
precipitation = [0 if x == 'Sun' else 1 for x in precipitation]

拉莫斯之舞
TA貢獻1820條經驗 獲得超10個贊
添加到已經存在的答案中,使用map()
list(map(lambda x: 0 if x=='Sun' else 1,a))
您可以嘗試這樣做以避免循環和列表理解

慕尼黑8549860
TA貢獻1818條經驗 獲得超11個贊
嘗試這個...
precipitation = ["Sun", "Rain", "Rain", "Sun", "Sun", "Sun", "Sun", "Sun", "Sun", "Sun", "Rain", "Rain", "Rain", "Rain"]
for i in range(len(precipitation)):
if precipitation[i] == "Sun":
precipitation[i] = 0
else:
precipitation[i] = 1
print(precipitation)
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