键盘输入一句英文 将每个单词的首字母大写

str2 = "hello nice To meet You

print(str2.title())

#将字符串中的大写转化成小写 小写转化成大写
print(str2.swapcase())

#就第一个首字母大写 其他小写
print(str2.capitalize())

def huan(src):
str1='';
len1=len(src);
for i in range(len1):
if(i==0):
str1=chr(ord(src[i])-32);
print(str1,end='');
elif(src[i-1]==' '):
str1=chr(ord(src[i])-32);
print(str1,end='');
else:
str1=src[i];
print(str1,end='');
num1=input('输入字符串：');
huan(num1);

str1=input('输入字符串：');
list1=str1.split();
for sub in list1:
sub1=sub.replace(sub[0],chr(ord(sub[0])-32));
print(sub1,end=' ');