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update It takes a key-value pair and puts into the existing dictionary. icecream = {'탱크보이': 1200, '폴라포': 1200, '빵빠레': 1800, '월드콘': 1500, '메로나': 1000} new_product = {'팥빙수':2700, '아맛나':1000} icecream.update(new_product) icecream >>> {'탱크보이': 1200, '폴라포': 1200, '빵빠레': 1800, '월드콘': 1500, '메로나': 1000, '팥빙수': 2700, '아맛나': 1000} islower Checks if all the characters in the text are in lower case. user_i..

Following the previous post(2020/12/28 - [d3.js] - axis, ticks), let's applied enter. doom is such as rectangles, circles. enter() is when data is bigger than doom update() is when data is same as doom exit() is when doom is bigger than data Result