list assignment index out of range. Can you help me ?

Question

j=1
n=int(input())
flag=[]*29
a=[]*29
for i in range(len(a)):
    a[i]=1.0/(i+2)
for j in range(2**29):
    temp=j
    index=0
    sum=0
    while temp>0 and index<29:
        flag[index]=temp%2
        index=index+1
        sum+=(temp%2)*a[index]
        temp=temp/2
if sum==1:
    count=0
    index=index+1
    for i in range(index):
        if flag[i]==1:
            count+=1
    if count==n:
        for i in range(len(flag)):
            if flag[i]!=0:
                print(flag[i]+"/"+(i+2)+"")

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log：IndexError: list assignment index out of range

I can not fix.list assignment index out of range. Can you help me ?

Answer 1

当i = max（index）时，调用flag [i]时，“ index = index + 1”会将其设置为30，超出范围