## Check if they are same

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I want to read from text file and print the first three words having the same initial three letters. I can get the first 3 initials but I cannot check if they are same or not.

Here is my code:

```def main():
f = open("words.txt", "r+")

# The loop that prints the initial letters
# the part that takes the 3 initials letters of the word
initials = [j[:3] for j in word.split()]

print(initials)
```

words.txt

```when, where, loop, stack, wheel, wheeler
```

output

You can use a mapping from the first 3 letters to the list of words. `collections.defaultdict` could save you a few keystrokes here:

```from collections import defaultdict

def get_words():
d = defaultdict(list)
with open('words.txt') as f:
for line in f:
for word in line.split(', '):
prefix = word[:3]
d[prefix].append(word)
if len(d[prefix]) == 3:
return d[prefix]
return []

print(get_words())  # ['when', 'where', 'wheel']
```

Program to check if two strings are same or not, Given two strings, the task is to check if these two strings are identical(same) or not. Examples: Input: string1 = “GeeksforGeeks”, string2 = “GeeksforGeeks” Aside from staring at them closely, how can you compare two cells in Excel? Here are a few functions and formulas that check the contents of two cells, to see if they are the same. We'll start with a simple check, then move up the formula ladder, for more complex comparisons. Easy Way to Compare … Continue reading "How to Compare Two Cells in Excel"

This code snippet groups the words by there first 3 letters:

```def main():
# a dict where the first 3 letters are the keys and the
# values are lists of words
my_dict = {}

with open("words.txt", "r") as f:
for line in f:
for word in line.strip().split():
s = word[:3]

if s not in my_dict:
# add 3 letters as the key
my_dict[s] = []
my_dict[s].append(word)

if len(my_dict[s]) == 3:
print(my_dict[s])
return

# this will only print if there are no 3 words with the same start letters
print(my_dict)
```

This stops the processing (I used a `return` statement) if you get to 3 words with the same 3 letters.

Check to see if all variable are equal to the same value in c++ , You can't chain == operators like that. You would need to write, e.g. if (row1==​row2 && row2==row3 && row3==row4 && ). As we all know, to compare if two cells are equal, we can use the formula A1=B1. But, if you want to check if multiple cells have the same value, this formula will not work. Today, I will talk about some formulas to compare if multiple cells are equal in Excel. Compare if multiple cells are equal with formulas

You can use dictionary here with first 3 characters as key. Example

```d={}
f = open("words.txt", "r+")
key_with_three_element=''

if word[:3] in d:
d[word[:3]].append(word)
else:
d[word[:3]]=[word]
if(len(d[word[:3]])==3):
key_with_three_element=word[:3]
break
print(d[key_with_three_element])
```

Ouput:

```['when', 'where', 'wheel']
```

Investigation of Improper Activities in the Labor Or Management , You are now looking at and examining exhibit 60 , hibit that you are testifying You signed the check , Mr . Brewster . BREWSTER . I did . The same way , the  Try looking carefully at them. All this talk of using an App does not address the issue that an App will use an algorithm designed by a human being. Until or unless you know the nature of the algorithm you cannot place reliance on the resulting an

```def main():
f = open("words.txt", "r+")

record[word[:3]] = record.get(word[:3], [])+[word]
if len(record[word[:3]]) == 3:
print (record[word[:3]])
break
```

Adaptive Motion Compensation in Radiotherapy, Assertions check if a task satisfies specific constraints at particular points, whereas In NVP, two or more versions of the program providing the same result  Given two strings, the task is to check if these two strings are identical (same) or not. Approach: This can be done with the help of strcmp () method in C. Please note, this method is case-sensitive. Check out this Author's contributed articles. If you like GeeksforGeeks and would like to contribute, you can also write an article using

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