Python řetězec obsahuje znak
Příklady kódu
N
>>> str = "Messi is the best soccer player"
>>> "soccer" in str
True
>>> "football" in str
FalseN
fullstring = "StackAbuse"
substring = "tack"
if fullstring.find(substring) != -1:
print "Found!"
else:
print "Not found!"
N
fullstring = "StackAbuse"
substring = "tack"
if substring in fullstring:
print "Found!"
else:
print "Not found!"N
myString = "<text contains this>"
myOtherString = "AnotherString"
# Casting to string is not needed but it's good practice
# to check for errors
if str(myString) in str(myOtherString):
# Do Something
else:
# myOtherString didn't contain myString
N
def search_string_in_file(file_name, string_to_search):
"""Search for the given string in file and return lines containing that string,
along with line numbers"""
line_number = 0
list_of_results = []
# Open the file in read only mode
with open(file_name, 'r') as read_obj:
# Read all lines in the file one by one
for line in read_obj:
# For each line, check if line contains the string
line_number += 1
if string_to_search in line:
# If yes, then add the line number & line as a tuple in the list
list_of_results.append((line_number, line.rstrip()))
# Return list of tuples containing line numbers and lines where string is found
return list_of_results
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