tatar_a4.py

import statistics as _s

# diketahui
A = list(range(1000000))

# 4a
def mean_odd_number(n):
	odds = filter(lambda x: x % 2, n)
	return _s.mean(odds)

print(mean_odd_number(A))

# 4b
print(_s.stdev(A))

# 4c
k = 10
if k in A:
	print("k in A")
else:
	print("not in A")