Python3：for语句正在改变字典中找到的数据的类型[关闭]

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I'm having problems parsing a dictionary. When I use "for input in myvars:" the resulting data item is a single string, not the embedded dict from the original data. Code is below, with a sample data item it is parsing.

Code:

def getCompareVersions(myvars = {}, mydeps = []):
    deps = {}

    print("MYVARS: ", myvars, flush=True)
    for deps in mydeps:
        depname = deps[0]
        input = {}
        for input in myvars:
            print("INPUT: ", input, flush=True)
            print("INPUT type: ", type(input))
            print("MYVARS type: ", type(dict(myvars.get("maven2"))))
            name = input.get("maven2").get("artifactId")

            version = input.get("maven2").get("version")
            date = input.get("lastModified")
            if (name.casefold() == deps[0].casefold()):
                if (version > deps[1]):
                    print("Appending: ", name, version, date, file=sys.stderr, flush=True)
                    myvars2.update(input)

Results:

### MYVARS is the data item being parsed, passed in as {} ###
MYVARS:  {'downloadUrl': 'http://<Serverpath>:8081/repository/bg-ktis-internal-dependencies/org/springframework/boot/spring-boot-gradle-plugin/2.1.1.RELEASE/spring-boot-gradle-plugin-2.1.1.RELEASE.jar', 'path': 'org/springframework/boot/spring-boot-gradle-plugin/2.1.1.RELEASE/spring-boot-gradle-plugin-2.1.1.RELEASE.jar', 'id': '<ID HASH>', 'repository': 'bg-ktis-internal-dependencies', 'format': 'maven2', 'checksum': {'sha1': '810d9c0c093e71b9988ad8d4abaede2a1ea2ee23', 'md5': 'f7aeea6be113708183da8c871fadbea4'}, 'contentType': 'application/java-archive', 'lastModified': '2020-01-17T18:08:02.079+00:00', 'blobCreated': '2020-01-17T18:08:02.079+00:00', 'lastDownloaded': '2022-09-14T15:05:07.030+00:00', 'maven2': {'extension': 'jar', 'groupId': 'org.springframework.boot', 'artifactId': 'spring-boot-gradle-plugin', 'version': '2.1.1.RELEASE'}}
INPUT:  downloadUrl
INPUT type:  <class 'str'>
MYVARS type:  <class 'dict'>