Как привести dataframe к нужному виду?

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from ast import parse
import pandas 
import openpyxl
import numpy
x=[] 
data = pandas.read_csv('data.csv', sep = ';')
result = pandas.read_csv('result.csv', sep=';') 
result1 = pandas.read_csv('result1.csv')
data_result = pandas.pivot_table(data, index=['skv','date', 'diaphragm'])
df = data_result.reset_index()
date = list(df['date'])
df["date"] = df.groupby("date").ngroup()+1  
df1=pandas.pivot_table(df, values=['P', 'gas flow rate', 'cumulative selection', 'P dowhole', 'P pipe'], index=[ 'date', 'diaphragm', 'skv'], columns='date').reset_index()
df1=pandas.pivot_table(df1, values=['P', 'gas flow rate', 'cumulative selection', 'P dowhole', 'P pipe'], index=['diaphragm', 'skv'])
 
df1.to_csv('result1.csv', sep=";", encoding='utf-8')