import json

# Check if contains num
def notNumStr(instr):
    for item in instr:
        if '\u0041' <= item <= '\u005a' or ('\u0061' <= item <='\u007a') or item.isdigit():
            return False
    return True

# Read Target Case if Json
def readSingleTestCases(testFile):
    with open(testFile) as json_data:
        try:
            testData = json.load(json_data)
        except:
            # This try block deals with incorrect json format that has ' instead of "
            data = json_data.read().replace("'",'"')
            try:
                testData = json.loads(data)
                # This try block deals with empty transcript file
            except:
                return ""
    returnString = ""
    for item in testData:
        try:
            returnString += item['text']
        except:
            returnString += item['statement']
    return returnString