paste_423391.py

#!/usr/bin/python
import gpio
import time

rows = [26, 24, 23, 22]
cols = [18, 16, 15, 13]
digits = ["1", "2", "3", "4",
          "5", "6", "7", "8",
          "9", "10", "11", "12",
          "13", "14", "15", "16"]

for col in range(0, len(cols)):
    if gpio.input(cols[col]) is False:
        if colsPusehd[col] is False:
            # print str(cols[col])+" Pushed"
            activeRow = findRow(cols[col])
            if activeRow > -1:
                # print(activeRow,col)
                print digits[activeRow][col]
                time.sleep(0.1)
                colsPusehd[col] = True
        else:
            if colsPusehd[col] is True:
                # print str(cols[col])+" Released"
                time.sleep(0.1)
                colsPusehd[col] = False