练习题

name=" aleX "
v=name.strip()
print(v)

name="aleX"
if name.find("al")==0:
    print("是")
else:
    print("否")

name="aleX"
if name.find("X")==name.__len__()-1:
    print("是")
else:
    print("否")

name="aleX"
v=name.replace("l","p")
print(v)

name="aleX"
v=name.split("l")
print(v)

name="aleX"
v=name.upper()
print(v)

name = "aleX"
v = name.lower()
print(v)

name="aleX"
v=name[1:2]
print(v)

name="aleX"
v=name[0:3]
print(v)

name="aleX"
v=name[name.__len__()-2:name.__len__()]
print(v)

name="aleX"
v=name.find("e")
print(v)

name="oldboy"
v=name[0:name.__len__()-1]
print(v)