matplotlib example loto6mat (snippet)

Python matplotlib example 'loto6mat'

Modules used in program:

• import csv
• import numpy as np
• import matplotlib.pylab as plt

python loto6mat

Python matplotlib example: loto6mat

import matplotlib.pylab as plt
import numpy as np
import csv

k = [0]*43
luckey_numbers = []
Lu_Nu = []
a = [0]*43

for i in range(43):
  a[i] = i+1

csv_reader = csv.reader(open("loto6.csv","r",encoding='cp932'))

header = next(csv_reader)
print('\n'.join(header))

for row in csv_reader:
  c = row[3:-12]
  b = list(map(int,c))
  print('b=',b)

  luckey_numbers = b
  for i in range(44):
    if luckey_numbers[0] == i:
      k[i-1] += 1
    elif luckey_numbers[1] == i:
      k[i-1] += 1
    elif luckey_numbers[2] == i:
      k[i-1] += 1
    elif luckey_numbers[3] == i:
      k[i-1] += 1
    elif luckey_numbers[4] == i:
      k[i-1] += 1
    elif luckey_numbers[5] == i:
      k[i-1] += 1

  #Lu_Nu = luckey_numbers

  #print('sort = ',sorted(Lu_Nu))
print('k = ',k)
  #print()
x = a
y = k
value = y

plt.scatter(x,y,s=30, c=value)
plt.colorbar()
plt.title("Loto6")
plt.xlabel("X")
plt.ylabel("Y")
plt.grid(which='major',color='yellow',linestyle='-')
plt.xlim(1,43)
plt.plot(x,y,color='lightblue')
plt.show()

Python links

• Learn Python: https://pythonbasics.org/
• Python Tutorial: https://pythonprogramminglanguage.com