python的if…elif…else語(yǔ)句怎么寫?
提問(wèn)人:楊紫紅發(fā)布時(shí)間:2020-11-26
if…elif…else語(yǔ)句: 沒(méi)有switch
if a == ‘+’:
b = ‘+’
elif a == ‘-’:
b = ‘-’
else:
b = None
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if…elif…else語(yǔ)句: 沒(méi)有switch
if a == ‘+’:
b = ‘+’
elif a == ‘-’:
b = ‘-’
else:
b = None
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