Python取值的灵活性用法

samp_string = "Whatever you are, be a good one."

for i in samp_string:
    print(i)
for i in range(,len(samp_string)-,):
    print(samp_string[i]+samp_string[i+])

print('A=',ord("A"))
print('65=',chr())

print('桃：',ord("桃"))
print('',chr())

# # You can get a character by referencing an index
# print(samp_string[])

print(samp_string[])
# # Get the last character
print(samp_string[-])
#
# # Get the string length
print("Length : ", len(samp_string))
#
# # Get a slice by saying where to start and end
# # The 4th index isn't returned
print(samp_string[:])
#
# # Get everything starting at an index
print(samp_string[:])
# print()
#
print(samp_string)
print(samp_string[::])
print(samp_string[::])
#
# # Reverse the string
print(samp_string[::-])
# # Palindrome
print('I did, did I?'[::-])
print('No lemon, no melon'[::-])
#
# # Practical use
url = "http://pythonabc.org"
# Get the top level domain
print(url[-:])
# Print the url without the http://
print(url[:])
# Print the url without the http:// or the top level domain
print(url[:-])