python code to remove character after last match character code example

Example 1: python remove last character from string

str =  "string"
str = str[:-1]  # Returns "strin"

Example 2: python remove last part of string

#Removing last three characters
foo = foo[:-3]

Example 3: python extract substring

# string [start:end:step]
string = "freeCodeCamp"
print(string[0:len(string)-1])		# freeCodeCam
print(string[0:5])		            # freeC
print(string[2:6])		            # eeCo
print(string[-1])		            # p
print(string[-5:])		            # eCamp
print(string[1:-4])                 # reeCode
print(string[-5:-2])	            # eCa
print(string[::2])		            # feCdCm

Example 4: python remove last 4 characters from string

foo = foo[:-n]