Second week - 11 common operating string section -Python3.5-

PCJ # 
name = "xiaoming" 
# capitalize () 
# String.capitalize () to capitalize the first letter of a string 
print (name.capitalize ()) # capitalized 
# COUNT () 
# String.count () appear statistical character the number of 
print (name.count ( "i") ) # statistics i have a few letters 

# Center () 
# String.center () print out the character, so the string in the middle of 
print (name.center (50, "- ")) 


# endsWith () 
# String.endswith () determines whether the end of the string specified 
print (name.endswith (" ing ") ) # determines whether to end ing. 

The Find # () 
# string.find () to find the string in the original string, where the return index 
print (name.find ( "g") ) # Find g letter subscript 

# format () 
# String.format ( ) specified content output 
user_show_name = "Hello, {name}, whelcome to here Wallpaper" 
Print (user_show_name.format (name = "PCJ"

Whether # String.isalnum () determines a string all numbers or English 
print ( "111a" .isalnum () ) # and returns the value true or flase 

# the isalpha () 
determines string # String.isalpha () whether all plain English characters 
print ( "abcd" .isalpha () ) # letter together only for the True 

# isdigit () 
# String.isdigit () to determine whether a string of all integers 
print ( "123" .isdigit () ) # full digital only return True 

# isIdentifier () 
# String.isidentifier () judgment is not a valid identifier 
print ( "pcj" .isidentifier () ) # can be understood as whether a valid variable name 

# judge whether all strings uppercase and lowercase 
print ( "pcj" .islower () ) #islower lowercase 
print ( "PCJ" .isupper () ) #isupper uppercase 

# the Join () 
# sep.join (SEQ) connected to an array of strings. A string, a tuple, in the list element to specify character (separator) connected to generate a new string 

names = [ "Jacky", "Andy", "Aaron", "Dawn"] 
Print ( "- ---. "


# String.ljust (size, replacement symbols) counted from front to back, when the size exceeds the length of the string, the excess replaced by replacement symbols 
Print ( "PCJ" .ljust (50, "-")) 

# the rjust () 
# String.rjust (size, replacement symbols) calculated from the back to front, when the size exceeds the length of the string, the excess replaced by replacement symbols 
Print ( "PCJ" .rjust (50, "-")) 

# the Lower string uppercase to lowercase 
# upper string lowercase capitalized 
Print ( "PCJ" .upper ()) 
Print ( "PCJ" .lower ()) 

# lstrip remove the string of spaces left or Enter 
# rstrip remove characters string to the left of the space or Enter 
# strip method. Remove the left and right sides of the carriage return or space 

print ( "pcj left spaces" .lstrip ()) 
print ( "pcj the right spaces" .rstrip ()) 
Print ( "space on both sides" .strip ()) 

# replace the replace 
print ( "pcj" .replace ( " p", "P")) # p replace the lowercase to uppercase P 

# Split 
# the String.split () cut 
print ( "