這個問題已經在這里有了答案：????????????>????????????How to test multiple variables against a value?????????????????????????????????????21個

我是python的新手,我的任務是編寫厘米到英寸,反之亦然.這個想法是用戶輸入一個數字,程序詢問他們是否要將其從英寸轉換為厘米或將厘米轉換為英寸,然后顯示結果.

我在Mac上使用python 3.3.5很有幫助.

這是我的代碼：(注釋掉的部分顯示了任務和我的第一次嘗試)

##

##Write a program that converts between centimetres, and inches and vice versa, by:

##asking the user to input a number

##asking the user to choose between converting from centimetres to inches or from inches to centimetres

##calculating and outputting the result using functions

##### Old attempt

##print(" Program to convert beteween centimetres and inches " )

##

##centimetre = 1

##inch = centimetre * 2.45

##

##number = input (" Please enter a number: ")

##choice = input (" Do you want to convert into centimetres or inches: ")

##if choice == "centimetres" or "Centimetres":

## print("Your number is", centimetre*number, "cm")

##else:

## print("Your number is",number*inch, "inches")

number = int(input(" Please enter a number: "))

choice = input(str(" If you want to convert from centimetres to inches type 'A' \n If you want to convert from inches to centimetres type 'B': "))

if choice in "A" or "a":

print(" Your number is" , number*2.54,"inches")

else:

print(" Your number is", number/2.54, "centimetres")

找到答案,謝謝您的快速答復！

解決方法:

例如,如果將“ A”或“ a”中的條件“選擇”更改為“如果選擇”中的“ Aa”：條件,則可以測試選擇是“ A”還是“ a”.原始版本始終評估為True.

標簽：python

總結

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