python字符串开头末尾后缀等

file = 'testy.mp3'


# 去掉后缀
# 1
name = file[:file.index('.mp3')]
print(name)

# 2
file_name = file.split('.')
file_name = file_name[0]
print(file_name)


# 是否以xx开头
# 1
print(file.startswith('test'))

# 2
try:
    res = file.index('teste') == 0
except:
    res = False
print(res)