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| author | Santo Cariotti <santo@dcariotti.me> | 2024-05-28 10:29:13 +0200 |
|---|---|---|
| committer | Santo Cariotti <santo@dcariotti.me> | 2024-05-28 10:29:13 +0200 |
| commit | f05d888a0b621ca4e99e2b0fb6e23c097006fe41 (patch) | |
| tree | eebbb2489144112d3288393e354d19375a0aa088 /progs/a758.py | |
Init
Diffstat (limited to 'progs/a758.py')
| -rw-r--r-- | progs/a758.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/progs/a758.py b/progs/a758.py new file mode 100644 index 0000000..eed8169 --- /dev/null +++ b/progs/a758.py @@ -0,0 +1,13 @@ +def first_non_repeating_character(str1):
+ char_order = []
+ ctr = {}
+ for c in str1:
+ if c in ctr:
+ ctr[c] += 1
+ else:
+ ctr[c] = 1
+ char_order.append(c)
+ for c in char_order:
+ if ctr[c] == 1:
+ return c
+ return None
\ No newline at end of file |