2-3
name="Eric"
print("hello"+name+",would you like to learn some python today?")
2-4
name="GYer Baker"
print(name.title())
print(name.upper())
print(name.lower())
2-5
張愛玲說：你如果認(rèn)識以前的我缚柳，也許你會原諒現(xiàn)在的我
talk='張愛玲說："你如果認(rèn)識以前的我回怜，也許你會原諒現(xiàn)在的我"'
print(talk)
2-6
famous_person="張愛玲說：“"
message="你如果認(rèn)識以前的我，也許你會原諒現(xiàn)在的我"
str1=famous_person+message
print(str1)
2-7
name="\nGYer"
print(name.lstrip())
print(name.rstrip())
print(name.strip()
