Runtime Error Message: Line 33: AttributeError: Solution instance has no attribute 'generate'

Last executed input: 0

```
def get_next(l):
l_next = []
if l != []:
l_next.append(l[0])
else:
return []
for i in range(0, len(l)-1):
l_next.append(l[i] + l[i+1])
l_next.append(l[len(l)-1])
return l_next
class Solution:
# @return a list of lists of integers
def print_pascal_triangle(self, numRows):
result = []
tmp = []
if numRows <= 0:
return result
tmp.append(1)
result.append(tmp)
if numRows == 1:
return result
else:
for x in range(1, numRows):
tmp = get_next(tmp)
result.append(tmp)
return result
```