#coding:utf8
a = raw_input()
a = int(a)
if (a > 100) or (a < 0):print "输入错误,请输入0～100的数字"
elif(a >=90):print "A"
elif(a>=80):print "B"
elif(a >= 70):print "C"
elif(a >=60):print "D"
else:print "F"

def evil(a,b): return a * bx = raw_input("Please input first number:")
y = raw_input("Please input second number:")
x = int(x)
y = int(y)
print 'a * b = ',evil(x,y)

#coding:utf8
‘’‘
一个闰年就是指它可以被4 整除，但不能被100 整除， 或者它既可以被4 又可以被100 整
除
’‘’
a = raw_input()
a = int(a)
if (a % 4 == 0) and (a % 100 != 0):print "润年"
elif (a % 4 ==0) and (a % 100 == 0):print "润年"
else:print "不算润年"

#coding:utf8
money = raw_input('请输入任意小于1美元的金额')
print money,'美元换算结果'
money = float(money)
money *= 100
money = int(money)
cent25 = money / 25
money %= 25    #取余
cent10 = money /10
money %= 10    #取余
cent5 = money / 5
money %= 5    #取余
cent1 =money / 1
if cent25:print '25美分*',cent25
if cent10:print '10美分*',cent10
if cent5:print '5美分*',cent5
if cent1:print '1美分*',　

#coding:utf8
"""简单计算器程序，还有些Bug ……"""
def new_evil(strEvil):num = strEvil.split(" ")if num[1] == "+":return float(num[0]) + float(num[2])elif num[1] == "-":return float(num[0]) - float(num[2])elif num[1] == "*":return float(num[0]) * float(num[2])elif num[1] == "/":return float(num[0]) / float(num[2])elif num[1] == "%":return float(num[0]) % float(num[2])elif num[1] == "**":return float(num[0]) ** float(num[2])else:return "error operator"if __name__ == "__main__":while True:strEvil = raw_input("Please enter the eval(q to quit):")if strEvil.lower() =="q":breakprint "the result is : %d" % (new_evil(strEvil))

>>> 17 + 32 49>>> 017+ 32
47
>>> 017 + 032
41

>>> 56l + 78l
134L

#coding:utf8a = raw_input('place enter the temperature:')
y = (float(a) - 32) * (5.0 / 9.0)
print y