divide list python

divide-list.py

num = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12']

list(zip(num[0::3], num[1::3], num[2::3]))
#output: [('1', '2', '3'), ('4', '5', '6'), ('7', '8', '9'), ('10', '11', '12')]

parts = []
for start_index in range(0, len(num), len(num) // 4):
  end_index = start_index + len(num)//4
  parts.append(num[start_index:end_index])

print(parts[0])
print(parts[1])
print(parts[2])
print(parts[3])

# output: 
# ['1', '2', '3']
# ['4', '5', '6']
# ['7', '8', '9']
# ['10', '11', '12']