函数:
def my(x,y):
print(x+y)
my(123,1233)
my(‘dff’,’dfdfdff’)
def env(n):
for i in range(1, n):
if i % 2 == 0:
print(i)
env(123)
练习
def my_add():
x=int(input())
y=int(input())
return x+y
print(my_add())
x=int(input())
y=int(input())
def my_add(q,a):
return q+a
print(my_add(x,y))
def mymax(x,y):
return max(x,y)
print(mymax(100,200))
print(mymax(‘abcd’,’abcd’))
def inputnumber():
l=[]
while True:
x=int(input())
if x<=0:
break
l.append(x)
return l
l=inputnumber()
print(l)
print(max(l))
print(min(l))
print(sum(l))
def fun(n):
sn=0
for i in range(1,n+1):
sn+=1/i
return sn
print(fun(3))
print(fun(4))
def fun2(n):
sn=0
for i in range(1,n+1):
sn+=1/(i*(i+1))
return round(sn,2)
print(fun2(3))
print(fun2(1000))