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創(chuàng)新互聯(lián)python教程：

編寫一個 Python 程序來計算數組中的偶數和奇數，用于循環(huán)范圍。if 條件(if (evenOddArr[i] % 2 == 0))檢查數組項是否可被二整除。如果為真，我們將偶數數組計數加 1；否則，將奇數數組計數值加 1。

# Count Even and Odd in Array

import numpy as np

evenOddArr = np.array([10, 99, 22, 50, 77, 22, 112, 19])
print("The List of Numbers in evenOddArr Array = ", evenOddArr)

evenArrCount = 0
oddArrCount = 0

for i in range(len(evenOddArr)):
    if (evenOddArr[i] % 2 == 0):
        evenArrCount = evenArrCount + 1
    else:
        oddArrCount = oddArrCount + 1

print("The Count of Even Numbers in evenOddArr Array = ", evenArrCount)
print("The Count of Odd Numbers in evenOddArr Array  = ", oddArrCount)

計算數組中偶數和奇數的 Python 程序

在這個 Python 例子中，我們使用 numpy mod 和余數函數來檢查每個項目的余數是否等于零。

# Count Even and Odd in Array

import numpy as np

evenArr = np.array([4, 29, 88, 5, 0, 11, 17, 18, 7, 44, 9, 89])
evenArrCount = evenArrCount1 = evenArrCount2 = 0
oddArrCount = oddArrCount1 = oddArrCount2 = 0

for i in evenArr:
    if (i % 2 == 0):
        evenArrCount = evenArrCount + 1
    else:
        oddArrCount = oddArrCount + 1

print("The Count of Even Numbers in evenOddArr Array = ", evenArrCount)
print("The Count of Odd Numbers in evenOddArr Array  = ", oddArrCount)

print("\n=== Using mod function===")
for i in evenArr:
    if (np.mod(i, 2) == 0):
        evenArrCount1 = evenArrCount1 + 1
    else:
        oddArrCount1 = oddArrCount1 + 1

print("The Count of Even Numbers in evenOddArr Array = ", evenArrCount1)
print("The Count of Odd Numbers in evenOddArr Array  = ", oddArrCount1)

print("\n=== Using remainder function===")
for i in evenArr:
    if (np.remainder(i, 2) == 0):
        evenArrCount2 = evenArrCount2 + 1
    else:
        oddArrCount2 = oddArrCount2 + 1
print("The Count of Even Numbers in evenOddArr Array = ", evenArrCount2)
print("The Count of Odd Numbers in evenOddArr Array  = ", oddArrCount2)

Python 計算 Numpy 數組輸出中的偶數和奇數

The Count of Even Numbers in evenOddArr Array =  5
The Count of Odd Numbers in evenOddArr Array  =  7

=== Using mod function===
The Count of Even Numbers in evenOddArr Array =  5
The Count of Odd Numbers in evenOddArr Array  =  7

=== Using remainder function===
The Count of Even Numbers in evenOddArr Array =  5
The Count of Odd Numbers in evenOddArr Array  =  7

Python 程序使用 While 循環(huán)計算 Numpy 數組中的偶數和奇數。

# Count Even and Odd in Array
import numpy as np
evenOddArr = np.array([4, 15, 19, 22, 9, 18, 140])
i = 0
evenArrCount = 0
oddArrCount = 0
while (i < len(evenOddArr)):
    if (np.equal(evenOddArr[i] % 2, 0)):
        evenArrCount = evenArrCount + 1
    else:
        oddArrCount = oddArrCount + 1
    i = i + 1

print("The Count of Even Numbers in evenOddArr Array = ", evenArrCount)
print("The Count of Odd Numbers in evenOddArr Array  = ", oddArrCount)

使用 While 循環(huán)輸出 計算 Python Numpy 數組中的偶數和奇數

The Count of Even Numbers in evenOddArr Array =  4
The Count of Odd Numbers in evenOddArr Array  =  3

在這個 Python numpy 數組的例子中，我們創(chuàng)建了一個(counterevenoddles(evenOddArr))函數，返回偶數和奇數的計數。

# Count Even and Odd in Array
import numpy as np
def CountEvenOddNumbers(evenOddArr):
    evenArrCount = 0
    oddArrCount = 0
    for i in evenOddArr:
        if (np.remainder(i, 2) == 0):
            evenArrCount = evenArrCount + 1
        else:
            oddArrCount = oddArrCount + 1

    return evenArrCount, oddArrCount

evenOddArr = np.array([11, 88, 15, 122, 140, 17, 10, 48, 35, 64])
even, odd = CountEvenOddNumbers(evenOddArr)
print("The Count of Even Numbers in evenOddArr Array = ", even)
print("The Count of Odd Numbers in evenOddArr Array  = ", odd)

使用函數輸出計算 Numpy 數組中的偶數和奇數

The Count of Even Numbers in evenOddArr Array =  6
The Count of Odd Numbers in evenOddArr Array  =  4

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