Conversion between the python and the timestamp formatting

Time Import 
# convert formatted time stamp into 

DEF str_to_timestamp (str_time = None, the format = '% Y-M-% D%% H:% M:% S'): 
    IF str_time: 
        time_tuple = the time.strptime (str_time , format) # is converted into the formatted time neuron progenitor 
        result = time.mktime (time_tuple) # converting the time stamp tuples to 
        return int (Result) 
    return int (the time.time ()) 


Print (str_to_timestamp ( '2019- 07:01:46 04-27 ')) 
Print (str_to_timestamp ()) # 1,556,349,904 


# convert a timestamp into formatted 

def timestamp_to_str (timestamp = None, format ='% Y-% m-% d% H:% M :% S '): 
    IF timestamp: 
        time_tuple time.localtime = (timestamp) time is converted into time stamp # neuron progenitor 
        result = time.strftime (format, time_tuple) # time to convert into formatted time neuron progenitor 
        return result 
    the else:
        return time.strptime(format)

print(timestamp_to_str(1556348505)) #2019-04-27 15:01:45