大神们求教

#1！+2！+3！+4！+5！
num5=1
num1=1
num2=1
num3=1
num4=1
for i in range(1,6):
num5=num5*i
print(num5)
for i in range(1,5):
num4=num4*i
print(num4)
for i in range(1,4):
num3=num3*i
print(num3)
for i in range(1,3):
num2=num2*i
print(num2)
sum=num1+num2+num3+num4+num5
print("1！+2！+3！+4！+5！的和是：",sum)

#打印100到200的会文数如：121,131
for i in range(100,200):
bai=i//100
shi=i//10%10
ge=i%10
if bai==ge and bai!=shi:
sum=bai*100+shi*10+ge
print(sum)