How python uses goto to jump to a specified line of code

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1. The reason is to encounter such a problem in the actual development:

The following is the pseudo code

If embedding.model is not exist: calculate embedding # # moudel_1 save embedding.modelelse: embedding = load embedding.modeltry: use embeddingexcept KeyError: calculate embedding # # this is the same as moudel_1.

Find that you need to paste the previously written calculate embedding in except.

The simple summary is as follows:

Somecode_1try: somecode_2except: somecode_3 somecode_1 # # re-execute 2. Use goto (1) to install gotopip install goto-statement (2) use goto to complete a small example

Define function

From goto import with_goto@with_goto # must have def test (list_): tmp_list = list_ label.begin # identifies where to jump and start execution result = [] try: for I J in enumerate (list_): tmp = 1 / j result.append (tmp) last_right_i = i except ZeroDivisionError: del tmp_ list [last _ right_i + 1] goto.begin # start return result where there is a jump mark

Running

A = test ([1,3,4,0,6]) print (a)

Result

[1.0, 0.3333333333333333, 0.25, 0.16666666666666666]

Note: if you run label and goto on ide Mountain, there is a red wavy line error. You don't have to worry about it and just execute it.

Add: Pycharm jumps back to the previous line of code

I've been writing Python code in Pycharm for some time, and there's a problem that has been bothering me: I often need to jump from one function to another when browsing the code, and sometimes the two functions are so far away that I don't know how to get back to the last function directly.

So my approach is to press ctr+F and then enter the function name of the previous function to locate and return to the previous function.

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