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創(chuàng)新互聯(lián)python教程：

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編寫(xiě)一個(gè) Python 程序來(lái)檢查給定的項(xiàng)是否存在于元組中。我們使用 in 運(yùn)算符來(lái)查找元組中存在的項(xiàng)。

# Check Element Presnet in Tuple

numTuple = (4, 6, 8, 11, 22, 43, 58, 99, 16)
print("Tuple Items = ", numTuple)

number = int(input("Enter Tuple Item to Find = "))

result = number in numTuple

print("Does our numTuple Contains the ", number, "? ", result)

雖然上面的例子返回真或假，我們需要一個(gè)有意義的消息。因此，如果元組中存在條目，我們使用 if 語(yǔ)句和 in 運(yùn)算符(numTuple 中的 If 數(shù)字)來(lái)打印不同的消息。

# Check Element Presnet in Tuple

numTuple = (4, 6, 8, 11, 22, 43, 58, 99, 16)
print("Tuple Items = ", numTuple)

number = int(input("Enter Tuple Item to Find = "))

if number in numTuple:
    print(number, " is in the numTuple")
else:
    print("Sorry! We haven't found ", number, " in numTuple")

Tuple Items =  (4, 6, 8, 11, 22, 43, 58, 99, 16)
Enter Tuple Item to Find = 22
22  is in the numTuple
>>> 
Tuple Items =  (4, 6, 8, 11, 22, 43, 58, 99, 16)
Enter Tuple Item to Find = 124
Sorry! We haven't found  124  in numTuple
>>>

使用 For 循環(huán)檢查元組中是否存在項(xiàng)目的 Python 程序

在這個(gè) Python 示例中，我們使用 if 語(yǔ)句(if val == number)對(duì)照給定的數(shù)字檢查每個(gè)元組項(xiàng)。如果為真，則結(jié)果為真，編譯器將從 for 循環(huán)中斷開(kāi)。

# Check Element Presnet in Tuple

numTuple = (4, 6, 8, 11, 22, 43, 58, 99, 16)
print("Tuple Items = ", numTuple)

number = int(input("Enter Tuple Item to Find = "))

result = False

for val in numTuple:
    if val == number:
        result = True
        break

print("Does our numTuple Contains the ", number, "? ", result)

Tuple Items =  (4, 6, 8, 11, 22, 43, 58, 99, 16)
Enter Tuple Item to Find = 16
Does our numTuple Contains the  16 ?  True

網(wǎng)頁(yè)名稱：Python 程序：檢查元組中存在的項(xiàng)目
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