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Usage: list.sort([cmp[,key[,reverse]]]) how to use cmp parameter def my_cmp(x,y): if x<y: return -1 elif x==y: return 0 else: return 1 arr = [2,5,3,1,4] arr.sort(my_cmp)...

CorporationSalary You can find the problem description here. Because the problem is little simple, so here change "If an employee has any subordinates, then his salary is equal to the sum of the salar...