python_test_0001_base_string

2024-09-08 18:29:51

#!/usr/bin/python

# -*- coding: UTF-8 -*-

from lib_001_decorator_log_funcname import decorator_log_funcname

s1 = 'hello s1'

s2 = "hello s2"

s3 = '''

guyu

conghua

123

'''

@decorator_log_funcname

def _test_define():

# print("\n_test_define")

print(s1)

print(s2)

print(s3)

@decorator_log_funcname

def _test_string_plus_string():

# print("\n_test_string_plus_string")

ss = s1 + " " + s2

print(ss)

@decorator_log_funcname

def _test_string_cut():

# print("\n_test_string_cut")

ss = s1[0:3]

print(ss)

ss = s1[2:4]

print(ss)

def _test_string_length():

print("\n_test_string_length")

print(s1.__len__())

print(s3.__len__())

def _test_string_pos( ss, i ):

print("\n_test_string_pos")

print(ss.find(i))

def _test_string_replace( ss, sub1, sub2 ):

print("\n_test_string_replace")

ss.replace( sub1, sub2 )

print(ss)

print(s1)

ss = ss.replace( sub1, sub2 )

print(ss)

print(s1)

def _func_string_insert( ss, pos, sub1 ):

print("\n_func_string_insert")

l = list(ss)

l.insert(pos, sub1)

ss = ''.join(l)

print(ss)

def _func_string_del( ss, sub1 ):

print("\n_test_string_del")

ss = ss.replace( sub1, "" )

print(ss)

def _func_get_last_n_char( ss, n ):

print("\n_func_get_last_n_char")

ll = ss.__len__()

print( ss[ ll-n : ll ] )

def _test():

_test_define()

_test_string_plus_string()

_test_string_cut()

_test_string_length()

_test_string_pos(s1, 'llo')

_test_string_replace(s1, 's1', 'xx')

_func_get_last_n_char(s1, 2)

_func_string_insert(s1, 1, 'xx')

_func_string_del(s1,"el")

if __name__ == '__main__':

_test()

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