Program 10

Author: itsmeshibintmz

Lab Cycle 2/program10.py

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+# Program to Get a string from an input string where all occurrences of the first 
+# character are replaced with ‘$’, except the first character. [eg: onion -> oni$n]
+
+# Function to replace the occurence of a character with $
+def replace_char(str):
+    unique_char = set() # To store unique characters
+    for i in range(0,len(str)): # loop to get the unique character
+        if str[i] in unique_char:
+            str=str[:i]+"$"+str[i+1:] # replace the character with $
+        else:
+            unique_char.add(str[i])  # add the unique character to the set 
+    return str
+
+str = input("Enter a string: ")
+print(replace_char(str)) # Call the function
+