append([,d]) code example
Example 1: append python
it=[]
for i in range(10):
it.append(i)
Example 2: append to lists python
list = [1, 2, 3]
print list.append(4) ## NO, does not work, append() returns None
## Correct pattern:
list.append(4)
print list ## [1, 2, 3, 4]