import math
global_X = 27

def my_function(param1=123, param2='hi mom'):
    local_X = 654.321
    print('\n=== local namespace ===')
    for key,val in locals().items():
        print('key: {}, object: {}'.format(key, str(val)))
    print('local_X:',local_X)
    print('global_X:',global_X)

my_function()

key,val = 0,0  # add to the global namespace. Used below
print('\n--- global namespace ---')
for key,val in globals().items():
    print('key: {:15s} object: {}'.format(key, str(val)))

print('\n-----------------------')
#print 'Local_X:', local_X
print('Global_X:', global_X)
print('Math.pi:',math.pi)
print('Pi:',pi)