python url包含意外的"amp“和";”

from urllib.parse import quote, urlencode

url = "http://example.com/?param1=value1&amp=ampersand;param2=value2"

# 编码处理"amp"
encoded_url = quote(url, safe=':/?=&')

# 编码处理";"
encoded_params = urlencode({'param1': 'value1', 'amp': 'ampersand', 'param2': 'value2'}, safe=':/?=&')

print(encoded_url)
print(encoded_params)

http://example.com/?param1=value1&amp%3Dampersand;param2=value2
param1=value1&amp=ampersand;param2=value2