s = 'Python was started in 1989 by "Guido".\nPython is free and easy to learn.'
print s
print s
2016-08-03
print 'hello, python'
print 'hello,','python'
print 'hello,','python'
2016-08-03
generate_tr：把两个数据生成表格字符串
tds：把d中的数据全部生成表格字符串并以数组方式存储
join：把数组连接成整个字符串
print join（tds）就是以表格的形式输出全部数据啦
tds：把d中的数据全部生成表格字符串并以数组方式存储
join：把数组连接成整个字符串
print join（tds）就是以表格的形式输出全部数据啦
2016-08-03
def toUppers(L):
return [x.upper() for x in L if isinstance(x,str)==True]
print toUppers(['Hello', 'world', 101])
return [x.upper() for x in L if isinstance(x,str)==True]
print toUppers(['Hello', 'world', 101])
d = { 'Adam': 95, 'Lisa': 85, 'Bart': 59, 'Paul': 74 }
sum = 0.0
for k, v in d.items():
sum = sum + v
print k,':',v
print 'average', ':', sum*1.0/len(d)
sum = 0.0
for k, v in d.items():
sum = sum + v
print k,':',v
print 'average', ':', sum*1.0/len(d)
2016-08-02
d = { 'Adam': 95, 'Lisa': 85, 'Bart': 59, 'Paul': 74 }
sum = 0.0
for v in d.values():
sum = sum + v
print sum*1.0/len(d)
sum = 0.0
for v in d.values():
sum = sum + v
print sum*1.0/len(d)
2016-08-02
L = ['Adam', 'Lisa', 'Bart', 'Paul']
for index, name in zip(range(1,5),L):
print index, '-', name
for index, name in zip(range(1,5),L):
print index, '-', name
def firstCharUpper(s):
return s[0].upper()+s[1:]
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')
return s[0].upper()+s[1:]
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')
2016-08-02
