uweziegenhagen.de

import pandas as pd
from datetime import datetime
from dateutil.relativedelta import relativedelta
 
def genPaymentPlan(contract, principal, paymentsperyear, interestrate, startdate, years):
    interest = interestrate/100*principal/paymentsperyear
    date = datetime.strptime(startdate, '%Y-%m-%d').date()
    output = pd.DataFrame(columns=['Contract', 'Date', 'Amount'])
 
    # Add a row to the DataFrame
    start = {'Contract': contract, 'Date': startdate, 'Amount' : principal}
    output = pd.concat([output, pd.DataFrame([start])], ignore_index=True)  
 
    for payment in range(paymentsperyear*years):
        new_date = (date + relativedelta(months=12/paymentsperyear))
        date = new_date
        interest_line = {'Contract': contract, 'Date': new_date.strftime('%Y-%m-%d'), 'Amount' : -1*interest}
        output = pd.concat([output, pd.DataFrame([interest_line])], ignore_index=True)  
 
    end = {'Contract': contract, 'Date': date, 'Amount' : -principal}
    output = pd.concat([output, pd.DataFrame([end])], ignore_index=True)          
    return output
 
 
test = genPaymentPlan(123456, 100, 4, 12, '2025-01-01', 4)
print(test)

%!TEX TS-program = Arara
% arara: lualatex: {shell: no}
\documentclass{scrartcl}
\usepackage[margin=1cm]{geometry}
\usepackage{tikz}
 
\begin{document}
 
\begin{tikzpicture}
    % Define the pattern as a comma-separated list
    \def\pattern{x,-,x,x,-,x,x,-,-,-,x,x,-,-,-,x}
    \def\cellsizex{1cm}
    \def\cellsizey{0.5cm}
 
    %\draw (0,0) rectangle ++ (\cellsizex-1, \cellsizey);
    \node[draw, rectangle,minimum width = \cellsizex, align=left,minimum height=\cellsizey] (a) at (\cellsizex/2,\cellsizey/2){1}; 
 
    % Loop through each character in the pattern
    \foreach \cell [count=\index from 1] in \pattern {
        % If 'x' fill the cell, otherwise leave it empty
        \if\cell x
            \fill[gray,draw=black] ({\index*\cellsizex}, 0) rectangle ++(\cellsizex, \cellsizey);
        \else
            \draw ({\index*\cellsizex}, 0) rectangle ++(\cellsizex, \cellsizey);
        \fi
    }
\end{tikzpicture}
 
\end{document}

\documentclass{scrartcl}
\usepackage[T1]{fontenc}
\usepackage{tikz}
 
\begin{document}
 
\begin{tikzpicture}
\shade[inner color = gray, outer color = white] (0,0) circle [radius = 1];
\end{tikzpicture}
 
\end{document}

\documentclass[tikz,border=0.5cm]{standalone}
\usetikzlibrary{positioning} 
\renewcommand\familydefault{\sfdefault}
 
\usepackage{listofitems}
\setsepchar{;}
 
\begin{document}
\begin{tikzpicture}[font=\bfseries,thick]
%\draw[step=0.5cm,lightgray,thin] (0,0) grid (16,16);
 
\coordinate (o) at (8,8);
\draw[black,thick,fill=lightgray] (8,8) circle (29.75mm);
 
\readlist\distances{77.5;69.75;61.75;53.75;45.75;37.75;21.75;13.75;5.75}
\foreachitem\distance\in\distances{
	\draw[black] (8,8) circle (\distance mm);
}
 
\readlist\distances{7.1;6.3;5.5;4.7;3.9;3.1;2.3;1.5;0.7}
\readlist\directions{right;above;left;below}
 
\foreachitem\direction\in\directions{
	\foreachitem\distance\in\distances{
 
\node[\direction=\distance cm of o] {\distancecnt};
        }
}
 
\end{tikzpicture}
\end{document}

import pandas as pd
from openpyxl import Workbook
from openpyxl.utils.dataframe import dataframe_to_rows
 
 
# output control
files = ['']
 
wb = Workbook()
wb.remove(wb['Sheet'])
 
for index, file in enumerate(files,0):
    temp = pd.read_csv(file + '.csv',sep='\t')
    ws1 = wb.create_sheet()
    ws1.title = file
    rows = dataframe_to_rows(temp, index=False, header=True)
 
    for r_idx, row in enumerate(rows, 1):
        for c_idx, value in enumerate(row, 1):
            ws1.cell(row=r_idx, column=c_idx, value=value)
 
wb.save('files45646.xlsx')
wb.close()

import pandas as pd
 
# initialize data of lists.
data = {'Hersteller': ['VW', 'BMW', 'VW', 'Porsche'],
        'Modell': ['Golf', '1er', 'Polo', '911']}
 
 
df = pd.DataFrame(data)
 
 
print(df,'\n')
 
 
df['Hersteller'] = df['Hersteller'].replace(
    {"VW": "Volkswagen", "Horch": "Audi"})
 
 
print(df)

import duckdb as ddb
import pandas as pd
 
con = ddb.connect(':memory:')
 
con_p = ddb.connect('my_database.db')
 
con_p.execute('CREATE OR REPLACE TABLE telefonnummern(fullname VARCHAR,phone VARCHAR);')
 
 
con_p.execute("INSERT INTO telefonnummern VALUES ('Max Mustermann', '0123-4567890')")
 
print(con_p.sql('SHOW ALL TABLES'))
 
print(con_p.sql('SELECT * FROM telefonnummern;'))
 
 
ddb_object = con_p.sql('SELECT * FROM telefonnummern;')
 
df = ddb_object.to_df()
 
ddb_tuple = ddb_object.fetchall()
 
print(df)
 
print(ddb_tuple)