list = [0,1,2,3,4,5]sum = 5d = {} for i in list: for j in list: if i + j == sum: d[i] = j print(d) {0: 5, 1: 4, 2: 3, 3: 2, 4: 1, 5: 0}

list = [3,4,5,2,5,78,4,3,2,1,5,6,8,9]sum = 10d = {} """a loop in a loop to create a dictionary with allthe pairs which sum is equal to [sum]""" for i in list: for j in list: if i + j == sum: d[i] = jprint(f"""{len(d)} pairs.{d}""") """Unzip the dictionary [d] in two variables [x,y]and plotted""" import matplotlib.pyplot as plt x,y = zip(*d.items()) plt.scatter(x,y,data=True)plt.show 7 pairs.{4: 6, 5: 5, 2: 8, 1: 9, 6: 4, 8: 2, 9: 1}

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Luigi Giugliano

Last answered:

08 Jun 2020

Posted on:

08 Jun 2020

Two sum solution...mine

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Luigi Giugliano

Posted on:

08 Jun 2020

Two sum solution...mine

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