Python practice----Character output

Requirements

Write a program that will output the following results when you enter Python bigdigists.py 234234.

Source Code

Import Syszero = [" ***  ",        "*   *",        "*   &NB Sp * ",       " *     * ",       " *     * ",      &N Bsp  "*   *",        " ***  "] #把下面的list竖起来就跟这个zero一个样One = ["*", "* *", "*", "*", " * "," * "," * * * "]two = [" * * * "," *   * "," *  * ","  *   "," *   "," *     "," * * * * " ]three = ["* * *", "*   *", "   *", " **", "   *", "*   *", "* * *"]four = ["&nbsp ;  *   ","  **   "," * *   "," *  *   "," ****** ","   *   ",         "  *  "]five = ["* * * * *", "*    ", "*    ", "* * *", "   *", "*   *", "* * *" "]six = [" * * * "," *     "," *     "," * * * "," *   * "," *   * "," * * * "]seven = [" * * * * * ","    * ","   * ","  *   "," *   "," *     "," *     "]eight = [" * * * "," *   * "," * "*   * "," * * * "," *   * "," *   * "," * * * "]nine = [" * * * * "," *   * "," *   * "," * * * ","   &N Bsp;* ","    * ","    * "]digits = [Zero, one, I, three, four, Five, Six, Seven, Eight, Nine]try:&nbs P   digits = sys.argv[1]                       #读取用户输入命令 &NBSP;&N bsp;    row = 0    while row < 7:        line = ""         C Olumn = 0        while column < Len (digits):           #len ("Aadfs") function is to determine the word String "Aadfs" length             number = Int (Digits[column])           &NBSP ;  digit = digits[number]            line + Digit[row] + " "         #通过使用加好合并字符串             column + = 1        print (line)         Row + = 1 Except Indexerror: #如果用户不输入命令, you will be quoted Indexerror error     print ("usage:bigdigits.py <numb Er> ") except ValueError as err:    print (err," in ", digits)

The problems that arise and the knowledge points to be used1.SYS.ARGV usage

Import Sysprint (sys.argv[0]) print (sys.argv[1]) print (sys.argv[2]) print (sys.argv[3])

Input python test.py arg1 arg2 arg3 output

Test.pyarg1arg2arg3

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Python practice----Character output