#-*-coding:utf-8 -*-
'''
반복문 for


range(start,end,step)
range(10) end 10, start 0, step1
range(1,10) start 1, end 10, step 1

'''

for item in [10,20,30]:
    print item
    
result1=range(10)
result2=range(1,10)
result3=range(1,20)
result4=range(10,20)
result5=range(0,20,2)
result6=range(0,20,3)

print result1
print result2
print result3
print result4
print result5
print result6