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sys.argv
2022-07-06 08:19:00 【不求大富大贵只求富可敌国】
sys.argv可以从命令行获取参数,执行脚本。
import os
import sys
root=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.append(root)
print("sys_test.argv: ",sys.argv)
print("sys_test.argv[0]: ",sys.argv[0])
print("sys_test.argv[1]: ",sys.argv[1])
print("sys_test.argv[2]: ",sys.argv[2])
print(len(sys.argv))
控制台输出:
C:\Users\jam96\PycharmProjects\all_module\sys_test>python a.py q w e r
sys_test.argv: ['a.py', 'q', 'w', 'e', 'r']
sys_test.argv[0]: a.py
sys_test.argv[1]: q
sys_test.argv[2]: w
5
1. 从python后面的.py文件计数
2. 从0开始计数
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