Python 强化训练：第二篇

import re
data_one = "ab;cd|efg|hi,jkl|mn\topq;rst,uv\twx\t  y\nz"
pattern = r";+|,+|\t+|\n+|\s+|\|+"
result = re.split(pattern, data_one)
print(result)  #['ab', 'cd', 'efg', 'hi', 'jkl', 'mn', 'opq', 'rst', 'uv', 'wx', '', 'y', 'z']

filename = "learnpython.py"

print(filename.startswith("learn"))

print(filename.endswith(".py"))

A="2016-10-31"
print(re.sub(r"(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})", r"\g<day>/\g<month>/\g<year>", A))
#31/10/2016

values = ["apple", 'orange', "pear", "banana"]
str_temp = ""
for i in values:
    str_temp += i

print(str_temp)  #appleorangepearbanana
str_other = ''.join(values)    #appleorangepearbanana
str_one = "+".join(values)    #apple+orange+pear+banana
str_two = "====".join((values))    #apple====orange====pear====banana
print(str_other, str_one, str_two)

sentence = 'Shanghai University'

print(sentence.ljust(50))
print(sentence.rjust(50))
print(sentence.center(50))

print(format(sentence, "<50"))
print(format(sentence, ">50"))
print(format(sentence, "^50"))



#Shanghai University                               
#                               Shanghai University
#               Shanghai University                
#Shanghai University                               
#                               Shanghai University
#               Shanghai University  

words = '============Shanghai++++++University==============='

print(words.strip("="))    #Shanghai++++++University

print(words.lstrip("="))    #Shanghai++++++University===============

print(words.rstrip("="))    #============Shanghai++++++University

word_pattern = r'=+|\++'

print(re.sub(word_pattern, '', words))    #ShanghaiUniversity