import random
def myEven(numList):
evenList = [each for each in numList if not each % 2]
return len(evenList)
def myOdd(numList):
oddList = [each for each in numList if each % 2]
return len(oddList)
numList = [random.randint(1, 20) for i in range(20)]
evenResult = myEven(numList)
oddResult = myOdd(numList)
print(f"此数组为:{numList}")
print(f"此数组中有{evenResult}个偶数,{oddResult}个奇数。")