For a pandas data frame df, what function is used to return the first five rows? code example

Example 1: what is the type of the data python

>>> type(1234)
<class 'int'> 
>>> type(55.50) 
<class 'float'>  
>>> type(6+4j)   
<class 'complex'> 
>>> type("hello") 
<class 'str'>     
>>> type([1,2,3,4]) 
<class 'list'>      
>>> type((1,2,3,4)) 
<class 'tuple'>     
>>> type({1:"one", 2:"two", 3:"three"}
<class 'dict'>

Example 2: python - head

df.head(10)
df.tail(10)

Example 3: what is the function prototype for fputc()

int fputc(const char ch, FILE *filename);