#!/usr/bin/env python
# coding: utf-8

# In[6]:


import pandas as pd
df = pd.read_csv("Meteorites.csv", thousands=",")
df


# How many meteorites were dated **1988**?
# 

# In[9]:


#all records from 1988
from1988 = df.loc[df.year == 1988]
#how many?
len(from1988)

#all at once:
len(df.loc[df.year == 1988])


# What is the meteorite with the most mass?

# In[10]:


df["mass (g)"].max()


# What is the earliest recorded meteorite in the data?

# In[12]:


#find the first year
firstYear = df.year.min()
#find the names with that year
df.loc[df.year == firstYear].name


# What year had the most records in the data?

# In[16]:


#figure out the counts of all values, and get the largest
df.year.value_counts().head(1)


# In[19]:


df.fall.value_counts().plot(kind="pie")