'''
x = 7

if x>0 and x<10:
print("10 보다 작은 자연수")

if 0<x<10:
print("10보다 작은 자연수2")

'''
'''
x=10
if x>0:
print("양수")
else:
print("음수")
'''

x=69

if x>90:
print("a")
elif x>80:
print("b")
elif x>70:
print("c")
else:
print("...")

'''
반복문(for , while)
'''
'''
a=range(10)
print(list(a))

for i in range(10):
print("hello")

for i in range(10,0,-1):
print(i)
'''
'''
i=1
while i<=10:
print(i)
i=i+1
'''
'''
i=10
while i>=1:
print(i)
i=i-1
'''
'''
i=1
while True:
print(i)

if i==10:
    break
i+=1

'''

if속안에 있는 continue 밑에 있는것은 무시한다.

for i in range(1,11):
if i%2==0:
continue
print(i)

for i in range(1,11):
print(i)
if i==15:
break

else:
print(11)