Python——for语句中访问可迭代对象

#coding utf-8
from random import randint
from itertools import chain

# Demo1: get the total scores of each student; score stored in 3 lists(math,chinese,english)

stu_count = 50

math = [randint(60, 100) for x in range(stu_count)]
chinese = [randint(60, 100) for x in range(stu_count)]
english = [randint(60, 100) for x in range(stu_count)]

for m, c, e in zip(math, chinese, english) :
	print(m + c + e)

# Demo2: here are 3 lists of students' english scores(en1, en2, en3)
# you need to get the count of score bigger than 90

en1 = [randint(60, 100) for x in range(38)]
en2 = [randint(60, 100) for x in range(40)]
en3 = [randint(60, 100) for x in range(41)]

count = 0

for x in chain(en1, en2, en3) :
	if x > 90 :
		count += 1

print(count)