X = [[1], [1,2], [1,2,3], [1,2,3,4]]
sum = 0
for j in range(len(X)) :
for i in range(len(X[j])) :
sum = sum + X[j] [i]
print(sum)
What is the outcome of this program?
A. 0
B. 10
C. 20
D. 50
E. 60
X = [[1], [1,2], [1,2,3], [1,2,3,4]]
sum = 0
for j in range(len(X)) :
for i in range(len(X[j])) :
sum = sum + X[j] [i]
print(sum)
What is the outcome of this program?
A. 0
B. 10
C. 20
D. 50
E. 60