sum = 0
x = 0
while True:
x = x + 1
if x > 100:
break
if x%2 != 0:
sum += x
print sum
要continue何用
x = 0
while True:
x = x + 1
if x > 100:
break
if x%2 != 0:
sum += x
print sum
要continue何用
2016-08-06
sum = 0
x = 1
while x < 100:
if x%2 != 0
sum += x
x++
print sum
不错,慕兄我看好你!下一节吧。
x = 1
while x < 100:
if x%2 != 0
sum += x
x++
print sum
不错,慕兄我看好你!下一节吧。
2016-08-06
t = ('a', 'b', ('A', 'B'))
print t
print t
2016-08-06
sum = 0
x = 1
while x<100:
if x%2==0:break
x+=1
sum+=x
print sum
x = 1
while x<100:
if x%2==0:break
x+=1
sum+=x
print sum
2016-08-06
L = ['Adam', 'Lisa', 'Bart']
L.insert(0,L.pop())
L.append(L.pop(1))
print L
L.insert(0,L.pop())
L.append(L.pop(1))
print L
2016-08-06
import math
def quadratic_equation(a, b, c):
d=b*b-4*a*c
if d>=0:
x1=(-b+math.sqrt(b*b-4*a*c))/(2*a)
x2=(-b-math.sqrt(b*b-4*a*c))/(2*a)
return x1,x2
else:
return
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)
def quadratic_equation(a, b, c):
d=b*b-4*a*c
if d>=0:
x1=(-b+math.sqrt(b*b-4*a*c))/(2*a)
x2=(-b-math.sqrt(b*b-4*a*c))/(2*a)
return x1,x2
else:
return
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)
2016-08-06
from __future__ import division
def average(*args):
s=0
if len(args)==0:
return 0.0
else :
for i in range(len(args)):
s+=args[i]
return s/len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
def average(*args):
s=0
if len(args)==0:
return 0.0
else :
for i in range(len(args)):
s+=args[i]
return s/len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
2016-08-06