004-小试牛刀

 1、while循环语句、if语句以及取余法的应用

#求1到100所有数的总和
n = 1
m = 2
while m <= 100:
    n=n+m
    m=m+1
print(n,m)
print ("--end---") 

#求1-2+3+4+5....99的和
n = 1
m = 3
while m <100:
    n=n+m
    m=m+1
n=n-2
print(n,m)
print ("--end---") 

#循环输出1、2、3、4、5、6、8、9、10
n =1
while n < 11:
    if n == 7:
        pass
    else:
        print(n)
    n = n + 1
print ("--end---")  

#求1到100所有奇数
n = 1
while n < 101:
    if n % 2 == 1:
        print(n)
    n = n+1
print ("--end---") 

#求1到100所有奇数之和
n = 1
m = 0
while n < 101:
    if n % 2 == 1:
        m = m + n    
    n = n+1
print (m,n) 
print ("--end---") 

#输出1到100所有偶数
n = 1
while n < 101:
    if n % 2 == 0:
        print(n)
    n = n+1
print ("--end---") 

#求1到100所有偶数之和
n = 1
m = 0
while n < 101:
    if n % 2 == 0:
        m = m + n    
    n = n+1
print (m,n) 
print ("--end---")