groupby1.py

from itertools import groupby

a_list = [("Even", 2), 
		("Odd", 5), 
		("Even", 8), 
		("Odd", 3)]
 
iterator = groupby(a_list, key = lambda x:x[0]) 

for key, group in iterator: 
	key_and_group = {key : list(group)} 
	print(key_and_group) 
# OUTPUT
"""
{'Even': [('Even', 2)]}
{'Odd': [('Odd', 5)]}
{'Even': [('Even', 8)]}
{'Odd': [('Odd', 3)]}
"""