1. Write a function to find a factor other than 1 and itself. Input a number from the keyboard, call this function to output all factors except 1 and itself.
def qiushu():
a = input('请输入:')
for i in range(1,eval(a)):
if eval(a)%i==0:
b=i
if b!=1:
print("因数为:"+str(i))