Page 91 - Beginning Programming with Pyth - John Paul Mueller
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FIGURE 4-15: Cells can execute in any order in Notebook.
Now place the cursor in the third cell — the one that is currently blank — and type print("This is myVar: ", myVar). Click Run. The output in Figure 4-16 shows that the cells have executed in anything but a rigid order, but that myVar is global to the notebook. What you do in other cells with data affects every other cell, no matter what order the execution takes place.
