locals() Is Read-Only: globals() Is Not : Local Variables « Language Basics « Python

1. Python
2. Language Basics
3. Local Variables

locals() Is Read-Only: globals() Is Not

def foo(arg): 
    x = 1 
    print locals()             
    locals()["x"] = 2          
    print "x=",x               

z = 7 
print "z=",z 
foo(3) 
globals()["z"] = 8             
print "z=",z                   
           
       

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local variable hides global