我想算12/1+123/12+…[phone]/12345678

Question

才学python，知识点乱七八糟的真的不会，能不能来教教我🥹

Answer 1

def getnum(n):
    r = 0
    for i in range(1, n + 1):
        r *= 10
        r += i
    return r
sum = 0
for i in range(2, 10):
    sum += getnum(i) / getnum(i - 1)
print(sum)