python代码实现时间从12小时制到24小时制的转换

Posted 2021-06-28 Data+Science+Insight

python代码实现时间从12小时制到24小时制的转换

 

# python代码实现时间从12小时制到24小时制的转换

# Python program to convert time
# from 12 hour to 24 hour format

# Function to convert the date format
def convert24(str1):
	
	# Checking if last two elements of time
	# is AM and first two elements are 12
	if str1[-2:] == "AM" and str1[:2] == "12":
		return "00" + str1[2:-2]
		
	# remove the AM	
	elif str1[-2:] == "AM":
		return str1[:-2]
	
	# Checking if last two elements of time
	# is PM and first two elements are 12
	elif str1[-2:] == "PM" and str1[:2] == "12":
		return str1[:-2]
		
	else:
		
		# add 12 to hours and remove PM
		return str