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pythonnumpyfor-loop
User9123
User9123

Reputation: 774

For Looping through Numpy array gives error

I'm new to python and not understanding why this for loop won't work.

i = np.random.uniform(0,1,100)

# this does not give error
print(i[0])
print(i[1])
print(i[2])

# this gives error
for x in i:
     print( i[x] )

I figure it's something to do with the line for x in i:. So what would be the proper way to loop through i?

Upvotes: 0

Views: 198

Answers (1)

jhihan
jhihan

Reputation: 559

In for x in i:, x will be every elements in i. So your loop statement should be

for x in i:
     print( x )

If you want x to be the index, you should use the following code so that x would be from 0 to the len(i)-1 (all the index of i):

for x in range(len(i)):
     print( i[x] )

In addition, I recommend you to use x as the name of the array and i as the index, which is integer.

Upvotes: 1

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