Naapassiinaq, sumiiffik danili aallarfianni takuuk, nalunngilaraanga.
sumi = 0
for i in range(len(num_list)):
sumi = sumi + num_list[i]
Kisiina ersersorneq imaltaqatigiiffik ersersorneq, sumiiffiit nammineq nunaneq, kingulleq: 

1. Oqaluttuuti: for loop-mi uaningoq, coloni kingorna, range() funktoriunik uaningoq, sulusaqarneq. For loop sumiiffinni, tassaavoq:
```for i in range(len(num_list)):```
2. Indentation error: for loop-pi uummata, sum = sum + num_list[i], uaningoq, interpreteri kingorna, for loop-pi ilinniartitsissoq. Uaningoq, sulusaqarneq:
```sum = sum + num_list[i]```
Tassani, kisimiillu nalunaarsukkut ersersorneq:
```
sum = 0
for i in range(len(num_list)):
    sum = sum + num_list[i]
```