""" while 7过
i = 1
while i <= 100:
i+=1
if i % 7 == 0 or i % 10 == 7:
print("过")
else:
print(i)
"""
""" for 过
for i in range(1,101):
if i % 7 == 0 or i % 10 == 7:
print("过")
else:
print(i)
"""
""" while 打印星
i = 0
while i <= 5:
j = 0
while j <= i:
print("*",end="")
j+=1
i+=1
print("\n")
"""
""" for 打印星
for i in range(6):
for j in range(i):
print("*",end="")
print("\n")
"""
""" for 计算1-100的和
sum = 0
for i in range(1,101):
sum += i
print(sum)
"""
""" for 计算25-100之间偶数结果
sum = 0
for i in range(25,101):
if i % 2 == 0:
sum += i
print(sum)
"""