Return the number of times that the string "hi" appears anywhere in the given string.
时间: 2024-02-15 20:02:54 浏览: 30
Sure! Here's a Python code snippet that does what you're asking for:
``` python
def count_hi(string):
return string.count('hi')
```
You can call this function with a string as its argument and it will return the number of times that the substring "hi" appears anywhere in the string. For example:
``` python
>>> count_hi('hi there hi hi')
3
>>> count_hi('oh hi mark')
1
>>> count_hi('nope')
0
```
Let me know if you have any other questions!
相关问题
Return the number of times that the string "hi" appears anywhere in the given string
Sure! Here's the Python code to count the number of times the string "hi" appears in a given string:
```python
def count_hi(string):
return string.count("hi")
```
You can call this function with a string argument to get the count of "hi" in that string. For example:
```python
>>> count_hi("hi there hi")
2
>>> count_hi("hiking on a hill")
0
>>> count_hi("hitherehitherehi")
3
```
python :Return the number of times that x appears in the first n elements of iterator t.
Sure, here's a possible implementation of the `count` function in Python that takes in an iterator `t`:
```python
def count(t, x, n):
count = 0
for i, value in enumerate(t):
if i >= n:
break
if value == x:
count += 1
return count
```
This function takes three arguments: `t` is an iterator, `x` is the value to search for, and `n` is the maximum number of elements to consider. The function iterates over the first `n` elements of `t` (or less if `t` has fewer elements) and counts how many times the value `x` appears. The function returns the count.
Here's an example usage:
```python
t = iter([1, 2, 3, 2, 4, 2, 5])
x = 2
n = 4
print(count(t, x, n)) # output: 2
```
In this example, the function counts how many times the value `2` appears in the first 4 elements of the iterator `t`, which are `[1, 2, 3, 2]`. The value `2` appears twice, so the function returns `2`.