3. Local and Global Variables

• Note: The scope of a in the example below is different in the two cases. In other words, the two variables a are different.

Activity: CodeLens 3.1 (cl_l20_3a_en)

• In this case, we use the keyword global. So, the variable a inside the function is the same as the variable defined earlier, that is, it is the global variable.

Activity: CodeLens 3.2 (cl_l20_3b_en)

• Observe the difference in the outputs in examples 9 and 10.

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