LfqGithub

import matplotlib.pyplot as plt
import numpy as np

# Unit of loan time: year
# kind of amortization: equal loan payments and equal principal payments

loans=[[1000000,3.25,27],[990000,4.65,30]] # year1 <= year2
total1,interest1,year1=loans[0][0],loans[0][1],loans[0][2]
total2,interest2,year2=loans[1][0],loans[1][1],loans[1][2]

LfqGithub

<div class="mermaid">
gantt

title                     Adding GANTT diagram functionality to mermaid


section A section
Completed task            :done,    des1, 2020-03-06, 2020-03-08
Active task               :active,  des2, 2020-03-09, 1d
Future task               :         des3, after des2, 1d

LfqGithub

![about figure](/xxx/xxx/figure.png) # 默认
<div align="right"><img width="100" src="https://raw.githubusercontent.com/LfqGithub/LfqGithub.github.io/master/images/graphviz/example1.png"/></div> # 控制图片大小和位置
<div align="center"><img height="400" src="https://raw.githubusercontent.com/LfqGithub/LfqGithub.github.io/master/images/image_name.png"/><figcaption>I am a caption</figcaption></div> # 添加 Caption

LfqGithub

[user]
	email = 995614183@qq.com
	name = LfqGithub

LfqGithub

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac

LfqGithub

import logging
from colorlog import ColoredFormatter  # pip3 install colorlog

LOG_LEVEL = logging.DEBUG
LOGFORMAT = " %(log_color)s%(levelname)-8s%(reset)s | %(log_color)s%(message)s%(reset)s"
# logging.basicConfig(filename='log') # save log in local file

logging.root.setLevel(LOG_LEVEL)
formatter = ColoredFormatter(LOGFORMAT)
stream = logging.StreamHandler()

LfqGithub

2020-02-06 19:21:42,951 INFO    : this is information)
2020-02-06 19:21:42,951 WARNING : this is warning message)
2020-02-06 19:21:42,951 ERROR   : this is error message)
2020-02-06 19:21:42,951 CRITICAL: this is fatal message, it is same as logger.critical)
2020-02-06 19:21:42,951 CRITICAL: this is critcal message)

LfqGithub

import logging
import sys

logger=logging.getLogger('learn-logging')
formatter=logging.Formatter('%(asctime)s %(levelname)-8s: %(message)s)')

file_handler=logging.FileHandler("example.log")
file_handler.formatter=formatter

console_handler=logging.StreamHandler(sys.stdout)

LfqGithub

import matplotlib.pyplot as plt
import numpy as np

markers = [
    ".",
    ",",
    "o",
    "v",
    "^",
    "<",

LfqGithub

import matplotlib.pyplot as plt
import numpy as np

fig, ax = plt.subplots()

fig.set_facecolor('gray')
fig.patch.set_facecolor('gray')
fig.set_alpha(0.6)
fig.patch.set_alpha(0.6)
ax.set_alpha(0)