if zhouqi[i][1].split('-')[0]!='2017': IndexError: index 53 is out of bounds for axis 0 with size 53

import numpy as np
import pandas as pd
data1 = pd.read_csv('采暖制冷用户-采暖_日.csv', encoding = 'gbk')
data1 = pd.DataFrame(data1)
data1 = np.array(data1)
j=0
n=1
zhouqi=[list() for i in range(68)]
zhouqi[0].append(data1[0][1])
zhouqi[0].append(data1[0][5])

for i in range(data1.shape[0]-1):
    if i == data1.shape[0]-2:
        zhouqi[j].append(data1[i+1][5])
        zhouqi[j].append(n+1)
    if data1[i][1] == data1[i+1][1]:
        n=n+1

    if data1[i][1]!=data1[i+1][1]:
        zhouqi[j].append(data1[i][5])
        zhouqi[j].append(n)
        n=1
        zhouqi[j+1].append(data1[i+1][1])
        zhouqi[j + 1].append(data1[i + 1][5])
        j=j+1
zhouqi= pd.DataFrame(zhouqi)
zhouqi = np.array(zhouqi)

for i in range (zhouqi.shape[0]-1):
    if zhouqi[i][1].split('-')[0]!='2017':
        zhouqi = np.delete(zhouqi, i, 0)
print(zhouqi)

0到zhuoqi.shape[0]正好遍历一遍zhouqi.shape[0]的length，30行改成for i in range(zhouqi.shape[0]):试试