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1
#!/usr/bin/env python3 开头的这句务必要有,不然就会报错,从line2一直到line6都有报错;
版本是python3,则print必须要有(),不然会报错business :SyntaxError: invalid syntax
#!/usr/bin/env python3
import sys
import os
business = sys.argv[1];
pa = sys.argv[2][3:];
print (business);
print (pa);
2 当第一句是“#!/usr/bin/env python”时,print是否带()均能正确输出